-aaa- -abad aabaa aabba aabra aarau abaab ababa ababu abada abara abaru abbad abbar abbod abbou abbud abbur aboab aboad abobo abood abora abord aboud abrad abrar abrod abrud abuda abura aburr adaba adada adado adaou adara adaro addra addur adoar adobo adodb adoor adora adoro adoub adour adrad adrar adroa aduba aouda ar-ab arab- araba arabo arada arado arara araru arbab arbar arbor ardab ardod ardor ardra ardua ardud aroab aroad aroar aroba aroor arora arrau arrou arrua aruaa aruba arura aruru aubad audad audra audru aurad aurar auro- auroa auror aurra baard babar babau babdo baboo babou babra babur badao badar baddo badod badoo badou badra badur baoro baraa barab barad barao barar barba barbu barda bardo bardu baro- baroa baroo baror barra barro barru barua barud baubo baura bauru bdoor bo-bo boada board boaro bobar bobr bodd- bodor booba boora boord booru borau borba borbo borda bordo boro- boroa borod boroo borou borra borro bouar bouba bouda boudu boura bourd brada bradu brard braud brdda broad brobo broda brodd brodo brood brora broud brrar brrrr brud- buada bubba budda buddu budur buord buraa burao burda buroo burra burro burru burud d-a-d d-rad d-rod daada daara dabar dabba dabbu dabou dabra dabua dabur dadao dadar dadau dadda daddo dadoo dadou dadra dadur daraa darab darba darbu darda dardo darod daroo darra darro darur dauda daura ddddd do-do doaba doado dobra dobro dodab dodad dodoo dodro dooab dooar doodo doora dorab dorad dorra dorud douar doura douro draba drbob drobo drood duara dubar dubau dubba dubbo dubra dudar duddo dudou dudua durab durao durba durra o-r-b oaror obaba obara obodo obora oboro obrab obrad obudu odaba odara oddba oddur odour odudu oduro ooooo oraba orara orbad ordro orobo orodo oroua oruro ouada ouara ouoro ourba ra-ra raaba raaor raard rabab rabad rabba rabda rabor rabou rabud radar radau rauda ro-ro roadb robab robar robbo robo- robor robur rodau rodbo rodda rodor rooba roodu rorbu rorra rouba roura rubab rubba rubor rubra rudar rudra u-dub uarda uaroo ubobo udara udora uraba urbar uroob urour urrao urubu uuard uurad uuuuu