a-ii a-iv aaaa aaab aaai aaar aaav aaba aabb aabi aabt aaib aaii aara aari aart aaru aata aatt aava abaa abab abai abar abat abau abb- abba abbb abbi abbr abbt abia abib abir abit abiu abra abri abta abtu abua abut abva aiai aiba aiia aiib aiir aira airi airt aita aiti aitr aitt aitu aiui aiva arab arai arar arat arau arba arbi aria arib arii arit arr- arra arri arrr arrt arru arta arti artr artv arua arub arui arut arva arvi at-t ataa atab atai atar atat atia atit atiu atra atri atru atta atti attr attu atua atub atur atvi auaa aur- aura auri aut- avab avar avat avia avit aviv avra avri avui avur avva ba-i baaa baar baat baba babb babi babr babu baia baib bair bait bar- bara barb bari barr bart baru bata bati batt batu bau- baur bava bavi bavu bbau bbbb biar biat biba bibb bibi bira birb biri birr birt biru bita bitt bitu bivi brab brai brat brau brav bria brit brrr brut bruv brvi btaa btrt bttb btvi buar buat buba bubb bubi bubu buir buit buiu bur- bura burb buri burr burt buru but- buta buti butt iaaa iaai iaat iaba iaia iara iart iaru iata iati iava ibar ibat ibia ibra ibri ibtb iiii iiit iira iita iitr iitt irai irar iri- iria irra irri irta irti itaa itai itar itat itia itra itri itta itur iuiu iura ivai ivar ivbv raab raat raba rabb rabi rabu raia raii rair rait raiu rara rarb rari rata rati ratt ratu raua raub raut rava ravi rbbb rbbr riaa riab riai riat riau rib- riba ribu riia riri rita riti ritt ritu riva rrat rrrr rtai rtva rtvi ruba rubb rubi rubu ruit rura ruri ruru ruta ruti rutt rutu ruvi ruvu taa- taar taat taba tabb tabi tabu taia tair tait tara tarb tari tarr tart taru tata tatb tati tatr tatt tatu tatv taua taub taur taut tava tavi tbar tbit tbrb tbta tbvi tiaa tiab tiar tiba tibi tibu tiit tiiu tira tirb tiri tirr tiru tita titi titt titu tiva tivi traa trab trai trat trau trav tri- tria trib trit trra trtr trub trut truu ttab ttbb tttt tuar tuat tuba tubb tubr tubu tuit tuiu tura turb turi turr turt turu tuta tuti tutt tutu tuva tvri tvrr tvtv uair uart uaru uata uatu uatv uaua ubar ubba ubbi ubii ubir ubit ubra uira uirr urai urat urau urba urbi uria urib uriu urra urri urur urut urva utai utau utia utri utti uttu uuri uuta uuuu uv-a uv-b uvaa uvat uvri uvvu vaar vaat vaia vair vait vara vari varr vart varu vata vati vatt vatu vaut vava viar viau viii vira virb viri virr virt viru vita viti vitt vitu viva vivi vrai vrav vrba vria vt-i vuir vuit vurb vurt vuti vutv vvvv