a-ak a-ha aaaa aaab aaac aaah aaal aaar aaba aabb aabc aabh aabl aaca aacb aacc aach aack aacl aacr aaha aahk aahl aaka aala aalc aall aara aarc abaa abab abac abak abal abar abb- abba abbb abbr abca abcb abcc abch abcl abcr abha abhr abla abra abrc acaa acab acac acar acba acbl acca accc acch acha achh achl achr acla aclc aclr acr- acra acrc acrr ahab ahac ahah ahal ahar ahha ahla ahra ahrc ahrr akaa akah akal akar akca akha akka akr- akra alaa alac alak alal alar alb- alba albc alca alcc alha alk- alka alkb all- alla allh alll allr arab arac arah arak aral arar arba arbh arc- arca arch arh- arka arkh arla arr- arra arrc arrh arrk arrr baaa baah baak baal baar baba babb babr bac- baca bacc bach back baha bahl bahr bak- baka bakh bakl bakr bala balc balk ball bar- bara barb barc barh bark barr bbbb bbch bblb bbrc bcaa bcar bcbc bcca bccc bccl bcra bhar bhca bhcc bhra blaa blab blac blah blak blkb blrc brab brac brah brak brca brcb brka brkb brrr caaa caab caac caah caal caba cac- caca cacc cach cack cacr caha cahl caka cala calc calk call cara carb carc cark carl carr cbac cbal cbar cbbc cbca cbcc cbcl cbcr cbha cbhl cbka cbkl cbkr cblb cblc cbrh cbrl ccaa ccab ccac ccar ccba ccbc ccca cccb cccc cccl ccha cchl cchr ccla cclc ccra ccrc ccrl chaa chab chac chah chak chal char chca chch chha chka chkb chlc chlr chra chrb chrc chrr ckac ckbc ckch ckck ckcl ckrc clab clar clra crab crac crar crbc crca crcc crcr crkc crkl haab haak haal haar haba hack haha haka hakk hal- hala halb halk hall hara harc harh hark harl harr hbar hcbc hcca hccb hccc hcch hhaa hhcl hhhh hhla hkcc hkcl hlah hrac hrbl hrrc kaaa kaab kaak kaal kaar kaba kabb kabc kabr kacb kacc kach kacl kaha kahc kahl kahr kaka kakc kakh kakk kala kalb kalc kalk kall kara karb kark karl karr kbaa kbab kbac kbak kbal kbar kbba kbbb kbbc kbbk kbbl kbbr kbca kbcb kbch kbck kbcl kbcr kbhb kbhc kbhh kbhl kbhr kbkb kbkk kbkl kbkr kbla kblb kbll kblr kbra kbrb kbrc kbrh kbrk kbrl kcaa kcab kcac kcah kcal kcar kcba kcbc kcbk kcbl kcbr kcca kccb kccc kcck kccl kccr kcha kchh kchk kchl kchr kckc kckk kckl kckr kcla kclc kclh kclk kcll kclr kcrc kcrh kcrr khab khac khak khal khar khbc khbr khca khcb khcc khch khck khhk khhl khka khkk khkr khla khlc khll khlr khra khrk khrr kkaa kkac kkal kkar kkba kkbb kkbl kkbr kkcb kkch kkck kkcl kkcr kkha kkhb kkhh kkhk kkhr kkkk kklb kklc kklh kkll kkrb kkrc kkrh kkrk kkrl kkrr klaa klab klac klak klal klar klbb klbc klbl klca klcb klcc klch klck klcl klcr klhb klhc klka klkc klkk klkl klkr klla kllb kllc kllk klrc klrk klrr krab krac krah krak kral krar krba krbb krbk krbl krbr krca krcb krcc krch krcl krhc krka krkc krkh krkk krkr krla krlc krrb krrc krrk krrl krrr laaa laac laak laal laar laba labr laca lacc lach lack lacl laha lahr laka lakh lala lall lara larb larc lark larr lbar lbcc lblr lcac lcbc lcca lccc lchc lchr lcra lcrl lhhh lkab lkal llcc lllc llll lrac lral lrba lrrc lrrr raab raak raba rabb rabk rabl rac- raca racc rach rack raha rahl rahr raka rakk rala ralb rall rara rarb rark rbbb rbbr rbcl rcac rcbc rccb rccc rchb rlab rrah rrrr