-aaa- aaaah aabaa aabba aabra aahaa aarah aarau abaab ababa ababu abara abaru abbar abbur abhar abrar abura aburr ahhaa ahhha ahrab ahrar ahura ahuru ar-ab arab- araba arara araru arbab arbar arhar arrah arrau arrha arrua aruaa aruba arura aruru aurar aurra babar babau babra babur bahar bahau bahra bahua bahur baraa barab barar barba barbu barha barra barru barua baura bauru bhara bhaur brrar brrrr bubba buraa burah burra burru h-bar ha-ha habab habba habra habru hahha harab harar harau harra harua harur hhhhh hruba huara hubba hubur huhuh huraa hurab hurra huuru ra-ra raaba rabab rabah rabba rabha rahab rharb ruaha rubab rubba rubra ruhab ruhub uh-uh uhhuh uhura uhuru uraba urbar urubu uuuuu