a-ha aaaa aaab aaah aaar aaav aaba aabb aabh aabt aaha aara aart aaru aata aatt aava abaa abab abar abat abau abb- abba abbb abbr abbt abha abhr abra abta abtu abua abut abva ahab ahah ahar ahat ahau ahha ahra ahrr ahta ahua ahva arab arah arar arat arau arba arbh arh- arr- arra arrh arrr arrt arru arta arth artr artv arua arub arut arva at-t ataa atab atar atat atha atra atru atta attr attu atua atub atur auaa auht aur- aura aut- auth avab avar avat avra avur avva baaa baah baar baat baba babb babr babu baha bahr baht bahu bar- bara barb barh barr bart baru bata bath batt batu bau- baur bava bavu bbau bbbb bhar bhat bhra bhrt bhur bhut bhuu brab brah brat brau brav brrr bruh brut bruv btaa btrt bttb buar buat buba bubb bubu buha buhr bur- bura burb burh burr burt buru but- buta butt haab haar haat haba habt habu haha haht hara harh harr hart haru harv hata hatb hath hatt hatu hau- haut hava hbar hbtu hhaa hhat hhhh hrta hrtb hrtv htab htra httr huah huba hubb huhu hura hurr hurt huru huta huth hutt hutu hutv huub hvar hvat hvtr raab raat raba rabb rabu raha rahr raht rahu rara rarb rata rath ratt ratu raua raub raut rava rbbb rbbr rhau rrah rrat rrrr rtva ruah ruba rubb rubu ruhh ruhr rura ruru ruta ruth rutt rutu ruvu rvvh taa- taar taat taba tabb tabu taha tahr tahu tara tarb tarr tart taru tata tatb tath tatr tatt tatu tatv taua taub taur taut tava tbar tbrb tbta thaa thar that thau thra thru thtb thtr thur traa trab trat trau trav trra trtr trub trut truu ttab ttbb tttt tuar tuat tuba tubb tubr tubu tuht tuhu tura turb turr turt turu tuta tutt tutu tuva tvhb tvrr tvtv uart uaru uata uath uatu uatv uaua ubar ubba ubra uhta uhuh urat urau urba urra urrh urth urur urut urva utah utau utha uttu uuta uuuu uv-a uv-b uvaa uvat uvvu vaar vaat vara varr vart varu vata vath vatt vatu vaut vava vhhh vrav vrba vurb vurt vutv vvvv