-vac a-ak aaaa aaac aaar aaav aaca aacc aack aacr aacu aacv aaka aaku aara aarc aaru aava acaa acac acar acca accc accu acr- acra acrc acrr acrv acu- acur acvv akaa akar akca akka akku akr- akra akua arac arak arar arau arc- arca arka arr- arra arrc arrk arrr arru arua arva auaa auca aur- aura avar avcc avra avur avva caaa caac cac- caca cacc cack cacr caka cara carc cark carr cauc cauk cava cavu ccaa ccac ccar ccca cccc cccu cccv ccra ccrc ccuc ckac ckck ckcv ckrc crac crar crau crca crcc crcr crkc cruk cuau cuca cucc cuck cuk- cuka cura curr cvac cvar cvca cvcc cvra cvrr kaaa kaak kaar kacc kacu kacv kaka kakc kakk kaku kara kark karr karu karv kau- kauc kauk kaur kava kavu kavv kcaa kcac kcar kcau kcav kcca kccc kcck kccr kccu kccv kckc kckk kckr kckv kcrc kcrr kcru kcrv kcua kcuk kcvk kcvr kcvu kcvv kkaa kkac kkar kkck kkcr kkkk kkrc kkrk kkrr kkrv kkua kkuu kkvr kkvu kkvv krac krak krar krav krca krcc krcu krka krkc krkk krkr krku krkv krrc krrk krrr krua kruc kruk krur krva krvc krvk krvr krvv kuac kuar kuau kuca kucc kucr kucv kuka kukk kuku kura kurk kurr kuru kurv kuuk kuur kuuu kuva kuvr kvak kvar kvcc kvck kvcr kvcu kvcv kvra kvrc kvrr kvrv kvuu kvvr kvvv raak rac- raca racc rack racu racv raka rakk raku rara rark raua rauc rauk rava rcac rccc rcuv rcvr rrrr ruca ruck ruka rukk ruku rura rurc ruru ruvu rv-c rvca uaca uarc uaru uaua ucak ucar ucav ucca ucka ucrc ucua ukcc ukra ukrc ukur urac urau urca urka urra uruk urur urva uuuu uv-a uv-c uvaa uvac uvvu vaar vaca vack vaka vara vark varr varu vava vrac vrak vrav vruk vuca vuka vuku vvvv