About

Vowels: 

Vowels can be categorized into two Soft (shown in green) and Hard (shown in violet). But there are four types of vowel as shown in table 1-4 above, namely Basic, Circular, Extended and Extended circular. The  four types of soft vowel sets are; Basic (a-e-i-o-u-ou), Circular (ai-ei-oi-ui), Extended (aa-ee-ii-oo-uu) and Extended Circular (aai-eei-ooi-uui-ooi) as shown in green color above. 

Each soft set is accompanied by a stressed set which are; Basic (á-é-í-ó-ú-óu), Circular (ái-éi-ói-úi) and Extended that includes three variations (aá-eé-ií-oó-uú), (áa-ée-íi-óo-úu) and (áá-éé-íí-óó-úú). Also there are Extended Circular that includes two variations (aái-eéi-oói-uúi-oói) and (áai-éei-óoi-úui-óoi).

Basic Vowels:

There are six basic vowels (a, e, i, o, u, ou). Each basic vowel is strictly defined to have only one sound and all six sounds can be found in an English phrase “america on full tour”. The basic vowels can be either soft or hard. The soft vowels (a, e, i, o, u, ou) are pronounced soft and the corresponding hard vowels (á, é, í, ó, ú, óu) are pronounced hard (stressed). Please note that in óu, only the 1st char is accented and not both. Examples: bura=bad, burá=old, búra=stained. 

Circular Vowels:

You get five circular vowels (ai, ei, oi, ui, ooi) by simply adding (i) to five basic vowels (a, e, o, u, ou). [ Here ou is converted to oo for simplicity]. Each circular vowel is strictly defined to have only one sound only. To know the sounds of five circular vowels, five Rohingya words (bai, beil, boil, tui, ooin) are compared having same sound in English as (by, bail, bouyl, muei, ouin). While (ai, ei, oi, ui, ooi) gives soft sounds (ái, éi, ói, úi,óoi) give you the corresponding stressed sounds. Examples: Lai=basket, zai=go, beil=sun, ooin=fire, bóin=sister.

Extended Vowels:
(a, e, i, o, u) are the 1st five basic short vowels. To get extended sounds of these, double the letters as (aa, ee, ii, oo, uu). Ou is by itself extended so it is omitted in this extended table. You can get stressed extended vowels in three different ways; (áa, ée, íi, óo, úu), (aá, eé, ií, oó, uú) or (áá, éé, íí, óó, úú).  Examples are: Gaa=body, Gaá=sing, Gáa=wound.

Extended-circular Vowels:
Add i to the extended vowel set (aa, ee, oo, uu) and you will get extended-circular vowel set as (aai, eei, ooi, uui). There two emphasize sets as shown above. Examples are: Ooin=fire, Neeillé=came out, Baáizar=overflowing, Beéinna=morning, Foóila=first, Ruúil-mas=a kind of fish, Sáaiféla=filter it out.