WARNING: TypeThai is case senstive! 'A' and 'a' are treated differently!
Basic Vowels
I'm breaking this description into two types of vowels, the "basic" vowels, which are usually written with just one or two Thai/Roman characters and represent a "pure vowel" (monophthong), and "complex" vowels (diphthong).
Short vowels
Thai language distinguishes between short and long vowels and so does TypeThai, it's pretty simple, short vowels are written with a single roman character.
"–" is used to represent the place of the consonant.
| Roman | Thai | Roman | Thai | |
|---|---|---|---|---|
| a | –ะ or –ั | i | –ิ | |
| u | –ุ | U or ue | –ึ or –ื | |
| o | โ–ะ | O | เ–าะ | |
| e | เ–ะ or เ–็ | E | แ–ะ |
Long Vowels
Long vowels are essentially the same as the short vowels, except you double the letter, or add a colon (:).
aa and a: both become า, for example.
| Roman | Thai | Roman | Thai | |
|---|---|---|---|---|
| aa or a: | –า | ii or i: | –ี | |
| uu or u: | –ู | U or oe | เ–อะ | |
| oo or o: | โ– | OO or O: | –อ | |
| ee or e: | เ– | EE or E: or ae | แ– | |
| eu | –ือ |
Complex Vowels
| Roman | Thai | Roman | Thai | |
|---|---|---|---|---|
| ay or ai | ไ- or ใ- or ไ-ย or -ัย | aay or aai | -าย | |
| aow or ao or aw or au | เ-า | aaw or aau | -าว | |
| ya or ia | เ-ียะ | iya or iia | เ-ีย | |
| ew | เ-็ว | eew | เ-ว | |
| iw | -ิว | Ew or EEw | แ-ว | |
| wa or ua | -ัวะ | uwa or wwa | -ัว | |
| ui or uy | -ุย | Uay or Uai or ueai | เ-ือย | |
| Ua or uea | เ-ือะ | UUa or uea | เ-ือ | |
| yaw or iaw or iau or yau | เ-ียว | way or uay or uai or wai | -วย | |
| ooe | เ-อ | oey or oei | เ-ย | |
| Oy or OOy or Oi or OOi | -อย | ooy or ooi | โ-ย | |
| uuy or uui | -ูย | am or aam | -ำ | |
| ri or rU or roe or reu | ฤ | lU or loe | ฦ | |
| rUU or rU%: or reuu | ฤๅ | lUU or lue%: | ฦๅ |