-aaa- aaaoc aaarc aabaa aabba aabra aacbc aarau abaab ababa ababu abaca abaco abara abaru abbac abbar abbou abbur abccc aboab abobo abora aborc abrac abrar abura aburr acaca acacb acar- acara acaua accra accub accur acou- acoua acouo acrab acro- acrob acuba acura ar-ab ara-c arab- araba arabo araca araco arara araru arbab arbar arbor arcoa arcor aroab aroar aroba aroor arora arrau arrou arrua aruaa aruac aruba arura aruru aurar auro- auroa auror aurra babar babau baboo babou babra babur bacab bacao bacar bacca bacco bacu baoro baraa barab barac barao barar barba barbu barca barco baro- baroa baroo baror barra barro barru barua baruc baubo baura bauru bo-bo boaco boaro bobac bobar boboc bobr bocac bocao bocar bocca bocoa bocor booba booco boora booru borac borau borba borbo borca boro- boroa boroo borou borra borro bouar bouba bouca boura braca bracc braco brobo broca brora brrar brrrr bubba bucca bucco bucur buraa burao burca burcu buroo burra burro burru buruc c-a-c c-cor ca-ca caaba cabob caboc cabra cacao cacau caco- cacoa cacu caoba caraa carab carac carau carb- carbo caroa carob carra carro cauac cauca cauco cauro ccccc co-bo co-co coarb coarc cobar cobra cocao cocc- cocco cocoa cocur cooba corba corbo corbu corca coro- corra couac couba couco coura courb couru craba crabb craco croco cruor crura cuaba cuaro cubao cubo- cubra cubub cuoco curac curar curau curro curua o-r-b oarac oaror obaba obara obora oboro obrab ocara ocaro occar occra occur ocora ocr-a ocr-b ooooo oraba orara orobo oroco oroua orrca oruro ouara ouoro ourba r-co- ra-ra raaba raaor rabab rabac rabba rabor rabou rauco rccar ro-ro robab robar robbo robo- robor robur rocar rocca rocco rocoa rocor rocou rooba rorbu rorra rouba roura rubab rubba rubor rubra uacrr uaroo ubobo uraba urbar uroob urour urrao urubu urucu uuuuu