-aaa- -abad aabaa aabba aabra aarau abaab ababa ababu abada abara abaru abava abbad abbar abbod abbou abbud abbur aboab aboad abobo abood abora abord aboud abovo abrad abrar abrod abrud abuda abura aburr adaba adada adado adaou adara adaro adava addra addur adoar adobo adodb adoor adora adoro adoub adour adrad adrar adroa aduba aouda ar-ab arab- araba arabo arada arado arara araru arava aravu arbab arbar arbor ardab ardod ardor ardra ardua ardud aroab aroad aroar aroba aroor arora arrau arrou arrua aruaa aruba arura aruru aruvu arvad arvar aubad audad audra audru aurad aurar auro- auroa auror aurra aurva avara avard avaro avdur avoda avord avour avouu baard baava 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 barva baubo baura bauru bavar bavra bdoor bo-bo boada board boaro bobar bobov bobr bodd- bodor bodva booba boora boord booru borau borba borbo borda bordo boro- boroa borod boroo borou borov borra borro borvo bouar bouba bouda boudu boura bourd brada bradu brard braud brava bravo brdda broad brobo broda brodd brodo brood brora broud brova brrar brrrr brud- buada bubba budda buddu budur budva buord buraa burao burda buroo burov burra burro burru burud bvdub d-a-d d-rad d-rod daada daara daava dabar dabba dabbu dabou dabra dabua dabur dadao dadar dadau dadda daddo dadoo dadou dadra dadur dadva daraa darab darba darbu darda dardo darod daroo darra darro darur darva dauda daura davao davar davod davor ddddd do-do doaba doado dobra dobro dodab dodad dodoo dodro dooab dooar doodo doora dorab dorad dorra dorud douar doura douro draba drava drbob drobo drood drvar duara dubar dubau dubba dubbo dubov dubra dudar duddo dudou dudua durab durao durba durov durra duvar duvbo duvva dvd-d dvd-r o-r-b oaror obaba obara obava obodo obora oboro obrab obrad obrov obrva obudu odaba odara oddba oddur odour odudu oduro ooooo oovoo oraba orara orava orbad ordro orobo orodo oroua oruro orvar ouada ouara ouoro ourba ovada ovar- ovaro ra-ra raaba raaor raard rabab rabad rabba rabda rabor rabou rabud radar radau radvd rauda ravar ravda rdovo ro-ro roadb robab robar robbo robo- robor robur rodau rodbo rodda rodor rooba roodu rorbu rorra rouba roura rouva rubab rubba rubor rubra rudar rudra u-dub uarda uaroo ubava ubobo udara udora udovo udvar uraba urbar uroob urour urrao urubu uuard uurad uuuuu uvrou v-bob v-bor vaada vaara vaavu vadao vaddo vaddu vadra vaour varab varad varbo varda vardo varor varra varro varva vaura vavad vavar vavra vdara voobu voord vooru vorab vorau vorda vorra vourd vrbov