a-ak aaaa aaab aaad aaam aaar aaba aabb aabd aabm aada aaka aama aamb aamd aamr aara aard aarm abaa abab abad abak abam abar abb- abba abbb abbr abda abma abmb abra adaa adab adad adak adam adar adba adda addd addr adma admb admr adra akaa akam akar akka akr- akra amaa amad amam amar amb- amba ambr amda amka amm- amma amra arab arad arak aram arar arba arda ardm arka arma armd armm arr- arra arrk arrr baaa baad baak baam baar baba babb babm babr bada badb badd badr bak- baka bakr bama bamb bamm bar- bara barb bard bark barm barr bbad bbbb bbdd bd-r bdrm bmaa bmdb brab brad brak bram brda brdm brka brkb brrm brrr daab daad daam daar daba dabb dada daka dama damb damm dara darb dard dark darr dbar dddd dkba dmaa dmab dmba dmrb draa drab drad drak dram drar drba drda drmk drra kaaa kaab kaak kaam kaar kaba kabb kabd kabr kad- kada kadd kadm kadr kaka kakk kakm kam- kama kamb kamm kamr kara karb kard kark karm karr kbaa kbab kbad kbak kbam kbar kbba kbbb kbbd kbbk kbbm kbbr kbdb kbdr kbkb kbkk kbkr kbmb kbmr kbra kbrb kbrd kbrk kdaa kdab kdad kdak kdam kdar kdbb kdbm kdbr kddb kddd kddk kddr kdka kdkb kdkd kdkk kdkr kdma kdmd kdmr kdrb kdrm kkaa kkam kkar kkba kkbb kkbd kkbr kkda kkdd kkdm kkkk kkma kkmk kkmr kkrb kkrk kkrr kmad kmak kmam kmbd kmbr kmdb kmdr kmkk kmmk kmmm kmmr kmrb kmrr krab krad krak kram krar krba krbb krbd krbk krbm krbr krda krdd krdm krdr krka krkd krkk krkr krma krmb krmd krmr krrb krrk krrm krrr maaa maad maak maam maar maba mada madb madd maka mama mar- mara mard mark marm marr mbam mbba mbda mbdb mddm mdma mdmk mdra mkad mkak mmaa mmab mmar mmda mmdb mmmd mmmm mrad mrbb mrbm mrda mrdd mrkr mrmd raab raad raak raam raba rabb rabk rada radd radm radr raka rakk rama ramb ramm rara rarb rark rbbb rbbr rbmk rdbm rdma rrad rrkm rrrr