-aaa- aaarg aabaa aabba aabga aabra aarau abaab ababa ababu abaga abago abara abaru abbar abbou abbur abgar aboab abobo abora abrar abura aburr agago agara agaro agbor aggag aggar aggro agogo agora agoua agro- agror aguar agura aooga ar-ab arab- araba arabo arago arara araru arbab arbar arbor aroab aroar aroba aroga aroor arora arrau arrou arrua aruaa aruba arura aruru augur aurar auro- auroa auror aurra babar babau baboo babou babra babur bagag bagao bagar bagga bagor bagou bagra bagru bagua baoro baraa barab barag barao barar barba barbu barga baro- baroa barog baroo baror barra barro barru barua baubo baura bauru bo-bo boaro bobar bobr bogar bogga bogor bogra bogu bogur booba boora booru borau borba borbo borga borgo borgu boro- boroa boroo borou borra borro bouar bouba boura bourg braga bragb bragg brobo broga brora brrar brrrr brugg bubba bugab bugar bugga bugoo bugra buraa burao burgo burgu buroo burra burro burru ga-ga gaago gaara gabar gabba gabbo gabor gabra gagar gaggo gagra gaobu gaoua garab garag garba garbo garga garoo garor garou garra garro garua garur gaura gbara ggaba go-go go-oo gobag gobar gobbo gogao gogar gogga gogro goobo goora goraa gorab gorgo gorua goura grabo gragg graur grgar grgur groa grogg grrrr grubb guaba guara guaro gubar gubbo gubra gubru gugau gugga guoba gurab gurao guroo gurro gurur o-r-b oagar oaror obaba obara oboga obora oboro obrab oggar ogogo oguaa ogugu ogura ooooo oraba orara orobo oroua orrgo oruga oruro ouara ouoro ourba ra-ra raaba raagu raaor rabab rabba rabor rabou ragga ragoo rarbg raugu ro-ro robab robar robbo robo- robor robur rooba rorbu rorra rouba roura rraga rragb rubab rubba rubor rubra rugao uaroo ubobo uboga ugboa ugro- ugrug uorga uraba uraga urago urbar uroob urour urrao urubu uuuuu