-aaa- aaarg aabaa aabba aabga aabra aarau abaab ababa ababu abaga abara abaru abbar abbur abgar abrar abura aburr agara aggag aggar aguar agura ar-ab arab- araba arara araru arbab arbar arrau arrua aruaa aruba arura aruru augur aurar aurra babar babau babra babur bagag bagar bagga bagra bagru bagua baraa barab barag barar barba barbu barga barra barru barua baura bauru braga bragb bragg brrar brrrr brugg bubba bugab bugar bugga bugra buraa burgu burra burru ga-ga gaara gabar gabba gabra gagar gagra garab garag garba garga garra garua garur gaura gbara ggaba gragg graur grgar grgur grrrr grubb guaba guara gubar gubra gubru gugau gugga gurab gurur ra-ra raaba raagu rabab rabba ragga rarbg raugu rraga rragb rubab rubba rubra ugrug uraba uraga urbar urubu uuuuu