-vac a-ii a-iv aaaa aaab aaac aaai aaav aaba aabb aabc aabi aabt aaca aacb aacc aaci aact aacu aacv aaib aaic aaii aata aatc aatt aava abaa abab abac abai abat abau abb- abba abbb abbi abbt abca abcb abcc abci abct abia abib abic abit abiu abta abtu abua abut abva ac-t acaa acab acac acai acat acba acca accc acci acct accu aci- acia acic acta actc acti actt actu actv acu- acut acvv aiai aiba aica aicc aiia aiib aiic aita aiti aitt aitu aiui aiva at-t ataa atab atac atai atat atca atcc atia atic atit atiu atta atti attu atua atub atuc atvi auaa auca auci auct aut- avab avat avcc avia avic avit aviv avui avva ba-i baaa baat baba babb babi babu bac- baca bacc baci bact baia baib baic bait bata batc bati batt batu bau- bava bavi bavu bbau bbbb bbci bcaa bcat bcbc bcca bccc bcci bcia bcit bctc bcuc biat biba bibb bibi bica bicc bici bita bitc bitt bitu bivi btaa btcc bttb btvi buat buba bubb bubi bubu buca bucc buci bucu buic buit buiu but- buta buti butt caaa caab caac caat caba cabi cabu cac- caca cacc caci caia caib caic cait caiu cat- cata catb catc cati catt catu catv cauc caut cava cavi cavu cbac cbat cbbc cbca cbcc cbct cbcu cbia cbit cbta cbtc cbtv cbva cbvb ccaa ccab ccac ccai ccat ccba ccbc ccca cccb cccc ccci cccu cccv ccic ccii cciv cctb cctc cctt cctv ccuc ccut ccvi ciaa ciat ciau ciba cibc cibi cica cicc cici cict cicu ciia ciii ciit cita citb citi citt citu citv ciuc civa civc ctab ctba ctbi ctca ctia ctic ctta ctvt cuau cub- cuba cubb cubi cuca cucc cuci cui- cuit cut- cuta cutc cutt cutv cvac cvca cvcc cvii iaaa iaac iaai iaat iaba iaca iacc iact iacu iaia iata iatc iati iava ibac ibat ibca ibia ibtb ibtc icaa icab icac icai icat icbc icca iccb iccc icci icct iccu icta ictv icub iiac iica iiii iiit iita iitt iiuc itaa itac itai itat itia itic itta iucc iucv iuiu ivai ivbv ivic taa- taat taba tabb tabc tabi tabu taca tacc taci tact tacv taia tait tata tatb tati tatt tatu tatv taua taub tauc taut tava tavi tbca tbcb tbcc tbit tbta tbvi tcca tccc tccu tctc tiaa tiab tiba tibi tibu tica ticc tiit tiiu tita titc titi titt titu tiva tivi ttab ttbb tttt tuat tuba tubb tubu tuca tucc tuit tuiu tuta tuti tutt tutu tuva tvac tvtv uabc uaca uata uatu uatv uaua ubac ubba ubbi ubic ubii ubit ucai ucat ucav ucbc ucca ucci uctv ucua ucut uica utac utai utau utia utti uttu uuta uuuu uv-a uv-b uv-c uvaa uvac uvat uvic uvvu vaat vaca vaia vait vata vati vatt vatu vaut vava vbcc vcat vcbi vcci viau vic- vica vici vict viii vita viti vitt vitu viva vivi vt-i vtac vuca vuit vuti vutv vvvv