a-ak a-be aaaa aaab aaae aaam aaar aaav aaba aabb aabm aaea aaem aaev aaka aake aama aamb aame aamr aara aare aarm aava abaa abab abae abak abam abar abb- abba abbb abbe abbr abee aber abma abmb abra abva aeer aeka aer- aera aeva akaa akae akam akar akee aker akka akr- akra akre amaa amae amam amar amb- amba ambe ambr amee amer amka amm- amma amme amra arab arae arak aram arar arba arbe area aree arek arem arev arka arke arma arme armm arr- arra arre arrk arrr arva arve avab avar avea aver avma avra avre avva baaa baak baam baar baba babb babe babm babr baek baer bak- baka bake bakr bama bamb bame bamm bar- bara barb bare bark barm barr bava bave bbbb bbeb beak beam bear beav beba bebb bebe beeb beek beem beer beka beke bema beme bera bere berk berm berr bmaa brab brae brak bram brav brea breb bree brek brem brer brev brka brkb brrm brrr brvm eaba eama eame eara earb eare eave ebam ebba ebbr eber eeea eeee eeka eeke eera eeva eka- ekab ekam ekeb ekek eker ekka ekma emae emam emar emba embe embr emek emer emma emme emra emre eram erba erbb erbe ereb erem erer erev erke erma erme erra erre erve evae evar evea ever evra evre evvk kaaa kaab kaak kaam kaar kaba kabb kabe kabr kaer kaka kake kakk kakm kam- kama kamb kame kamm kamr kara karb kare kark karm karr karv kava kavb kave kavv kbaa kbab kbae kbak kbam kbar kbba kbbb kbbe kbbk kbbm kbbr kbeb kbee kbek kber kbev kbkb kbkk kbkr kbkv kbmb kbme kbmr kbra kbrb kbre kbrk kbrv kbva kbvb kbvm kbvr kea- keak keam kear keba kebb kebe kebr keek keem keer keka kekb keke kema kemb keme kemm kemr ker- kera kerb kere kerk kerm kerr kerv keva keve kkaa kkam kkar kkba kkbb kkbe kkbr kkea kkkk kkma kkmk kkmr kkmv kkrb kkre kkrk kkrr kkrv kkvm kkvr kkvv kmae kmak kmam kmav kmbr kmea kmem kmer kmke kmkk kmkv kmme kmmk kmmm kmmr kmrb kmrr kmrv kmva kmve kmvk kmvr krab krae krak kram krar krav krba krbb krbe krbk krbm krbr krea kreb kree krek krem krev krka krke krkk krkr krkv krma krmb krme krmr krrb krre krrk krrm krrr krva krvb krve krvk krvm krvr krvv kvab kvak kvam kvar kvbr kvea kver kvma kvmr kvmv kvra kvre kvrr kvrv kvvr kvvv maaa maak maam maar maba mabe maee maem maer maev maka make mama mame mar- mara mare mark marm marr marv mava mbam mbav mbba meak mear meav mebe meek meem meer meka meke mema meme memr mer- mera merb mere merk merm merv meva meve mkak mker mmaa mmab mmar mmea mmmm mrbb mrbm mreb mree mrkr mvee raab raak raam raba rabb rabe rabk raer raka rake rakk rama ramb rame ramm rara rarb rare rark rava rave rbbb rbbr rbmk rea- reae reak ream rear reba rebb rebe rebk reeb reek reem reev reka reke rema reme rera rere reva reve rmmv rmvb rrkm rrrr rver v-me vaar vaka vake vama vame vara vare vark varm varr vava veak vear veba veer veka veke vema vemb ver- vera verb vere verk verm veve vrak vram vrav vrba vver vvvv