EDIT International Phonetic Alphabet
The IPA is a notational standard for the phonetic representation of all languages.

It was established in 1886 by the International Phonetic Association (IPA also) and was based on the latin script. In the course of its history it went through a lot of changes and today, it is the world standard.

The latest Version of the IPA Alphabet was published in 1993, updated 1996.
EDIT Inserting IPA symbols in documents There are several ways to insert Unicode IPA symbols into your HTML files, spreadsheets, or other documents. Perhaps the easiest is to use an online character picker such as Richard Ishida\'s or Weston Ruter\'s. Both of these allow IPA characters to be selected by mouseclick and copied/pasted from an output box into your document. Be sure that your document is saved with UTF-8 encoding, or else some of the characters will probably fail to display.

Using Word 97+ With a Unicode font selected, use Insert | Symbol (normal text) and scroll down the box until you find the character you want. Select it, and Insert. Afterwards, save the document using File | Save as HTML. Word will automatically convert the character into the corresponding numeric entity (see next para) or the corresponding UTF-8 encoding. (If you are going to use the character frequently, it might be worthwhile assigning a Shortcut Key (macro) for it.)

Using HTML escape codes You can also reference each IPA symbol using its decimal or hex code. To create such a \"numeric entity\", you put ampersand (&), number sign (#), the Unicode number for the symbol, and semicolon. If using hex numbers, you must place an x between the number sign and the number. For example, to include the velar nasal symbol, ŋ, which has the Unicode decimal number 331, write ŋ, or, since its hex number is U+014B, you can alternatively write ŋ. To transcribe the English word thing, θɪŋ, write θɪŋ or, alternatively, θɪŋ. The browser will render these with the correct IPA symbols, always provided an appropriate font is available.

Force the use of an appropriate font by including a font tag as mentioned above, for example, in your cascading style sheet, p {font-family:\"lucida sans unicode\";}, or in the text, an in-line tag <font face=\"Lucida Sans Unicode\">.

Source: phon.ucl.ac.uk
 
EDIT A clever programmer used this block to turn text uʍop-ǝpısdn:
http://www.revfad.com/flip.html
 
U+0250U+0251U+0252U+0253U+0254U+0255U+0256U+0257U+0258U+0259U+025AU+025BU+025CU+025DU+025EU+025FU+0260U+0261U+0262U+0263U+0264U+0265U+0266U+0267U+0268U+0269U+026AU+026BU+026CU+026DU+026EU+026FU+0270U+0271U+0272U+0273U+0274U+0275U+0276U+0277U+0278U+0279U+027AU+027BU+027CU+027DU+027EU+027FU+0280U+0281U+0282U+0283U+0284U+0285U+0286U+0287U+0288U+0289U+028AU+028BU+028CU+028DU+028EU+028FU+0290U+0291U+0292U+0293U+0294U+0295U+0296U+0297U+0298U+0299U+029AU+029BU+029CU+029DU+029EU+029FU+02A0U+02A1U+02A2U+02A3U+02A4U+02A5U+02A6U+02A7U+02A8U+02A9U+02AAU+02ABU+02ACU+02ADU+02AEU+02AF
U+0250 LATIN SMALL LETTER TURNED A
U+0251 LATIN SMALL LETTER ALPHA
U+0252 LATIN SMALL LETTER TURNED ALPHA
U+0253 LATIN SMALL LETTER B WITH HOOK
U+0254 LATIN SMALL LETTER OPEN O
U+0255 LATIN SMALL LETTER C WITH CURL
U+0256 LATIN SMALL LETTER D WITH TAIL
U+0257 LATIN SMALL LETTER D WITH HOOK
U+0258 LATIN SMALL LETTER REVERSED E
U+0259 LATIN SMALL LETTER SCHWA
U+025A LATIN SMALL LETTER SCHWA WITH HOOK
U+025B LATIN SMALL LETTER OPEN E
U+025C LATIN SMALL LETTER REVERSED OPEN E
U+025D LATIN SMALL LETTER REVERSED OPEN E WITH HOOK
U+025E LATIN SMALL LETTER CLOSED REVERSED OPEN E
U+025F LATIN SMALL LETTER DOTLESS J WITH STROKE
U+0260 LATIN SMALL LETTER G WITH HOOK
U+0261 LATIN SMALL LETTER SCRIPT G
U+0262 LATIN LETTER SMALL CAPITAL G
U+0263 LATIN SMALL LETTER GAMMA
U+0264 LATIN SMALL LETTER RAMS HORN
U+0265 LATIN SMALL LETTER TURNED H
U+0266 LATIN SMALL LETTER H WITH HOOK
U+0267 LATIN SMALL LETTER HENG WITH HOOK
U+0268 LATIN SMALL LETTER I WITH STROKE
U+0269 LATIN SMALL LETTER IOTA
U+026A LATIN LETTER SMALL CAPITAL I
U+026B LATIN SMALL LETTER L WITH MIDDLE TILDE
U+026C LATIN SMALL LETTER L WITH BELT
U+026D LATIN SMALL LETTER L WITH RETROFLEX HOOK
U+026E LATIN SMALL LETTER LEZH
U+026F LATIN SMALL LETTER TURNED M
U+0270 LATIN SMALL LETTER TURNED M WITH LONG LEG
U+0271 LATIN SMALL LETTER M WITH HOOK
U+0272 LATIN SMALL LETTER N WITH LEFT HOOK
U+0273 LATIN SMALL LETTER N WITH RETROFLEX HOOK
U+0274 LATIN LETTER SMALL CAPITAL N
U+0275 LATIN SMALL LETTER BARRED O
U+0276 LATIN LETTER SMALL CAPITAL OE
U+0277 LATIN SMALL LETTER CLOSED OMEGA
U+0278 LATIN SMALL LETTER PHI
U+0279 LATIN SMALL LETTER TURNED R
U+027A LATIN SMALL LETTER TURNED R WITH LONG LEG
U+027B LATIN SMALL LETTER TURNED R WITH HOOK
U+027C LATIN SMALL LETTER R WITH LONG LEG
U+027D LATIN SMALL LETTER R WITH TAIL
U+027E LATIN SMALL LETTER R WITH FISHHOOK
U+027F LATIN SMALL LETTER REVERSED R WITH FISHHOOK
U+0280 LATIN LETTER SMALL CAPITAL R
U+0281 LATIN LETTER SMALL CAPITAL INVERTED R
U+0282 LATIN SMALL LETTER S WITH HOOK
U+0283 LATIN SMALL LETTER ESH
U+0284 LATIN SMALL LETTER DOTLESS J WITH STROKE AND HOOK
U+0285 LATIN SMALL LETTER SQUAT REVERSED ESH
U+0286 LATIN SMALL LETTER ESH WITH CURL
U+0287 LATIN SMALL LETTER TURNED T
U+0288 LATIN SMALL LETTER T WITH RETROFLEX HOOK
U+0289 LATIN SMALL LETTER U BAR
U+028A LATIN SMALL LETTER UPSILON
U+028B LATIN SMALL LETTER V WITH HOOK
U+028C LATIN SMALL LETTER TURNED V
U+028D LATIN SMALL LETTER TURNED W
U+028E LATIN SMALL LETTER TURNED Y
U+028F LATIN LETTER SMALL CAPITAL Y
U+0290 LATIN SMALL LETTER Z WITH RETROFLEX HOOK
U+0291 LATIN SMALL LETTER Z WITH CURL
U+0292 LATIN SMALL LETTER EZH
U+0293 LATIN SMALL LETTER EZH WITH CURL
U+0294 LATIN LETTER GLOTTAL STOP
U+0295 LATIN LETTER PHARYNGEAL VOICED FRICATIVE
U+0296 LATIN LETTER INVERTED GLOTTAL STOP
U+0297 LATIN LETTER STRETCHED C
U+0298 LATIN LETTER BILABIAL CLICK
U+0299 LATIN LETTER SMALL CAPITAL B
U+029A LATIN SMALL LETTER CLOSED OPEN E
U+029B LATIN LETTER SMALL CAPITAL G WITH HOOK
U+029C LATIN LETTER SMALL CAPITAL H
U+029D LATIN SMALL LETTER J WITH CROSSED-TAIL
U+029E LATIN SMALL LETTER TURNED K
U+029F LATIN LETTER SMALL CAPITAL L
U+02A0 LATIN SMALL LETTER Q WITH HOOK
U+02A1 LATIN LETTER GLOTTAL STOP WITH STROKE
U+02A2 LATIN LETTER REVERSED GLOTTAL STOP WITH STROKE
U+02A3 LATIN SMALL LETTER DZ DIGRAPH
U+02A4 LATIN SMALL LETTER DEZH DIGRAPH
U+02A5 LATIN SMALL LETTER DZ DIGRAPH WITH CURL
U+02A6 LATIN SMALL LETTER TS DIGRAPH
U+02A7 LATIN SMALL LETTER TESH DIGRAPH
U+02A8 LATIN SMALL LETTER TC DIGRAPH WITH CURL
U+02A9 LATIN SMALL LETTER FENG DIGRAPH
U+02AA LATIN SMALL LETTER LS DIGRAPH
U+02AB LATIN SMALL LETTER LZ DIGRAPH
U+02AC LATIN LETTER BILABIAL PERCUSSIVE
U+02AD LATIN LETTER BIDENTAL PERCUSSIVE
U+02AE LATIN SMALL LETTER TURNED H WITH FISHHOOK
U+02AF LATIN SMALL LETTER TURNED H WITH FISHHOOK AND TAIL
CHARACTER  < BLOCK > 
U+0250 – U+02AF IPA Extensions
DEUTSCH : ENGLISH