-vac a-ak a-ha aaaa aaab aaac aaah aaar aaav aaba aabb aabc aabh aaca aacb aacc aach aack aacr aacv aaha aahk aaka aara aarc aava abaa abab abac abak abar abb- abba abbb abbr abca abcb abcc abch abcr abha abhr abra abrc abva acaa acab acac acar acba acca accc acch acha achh achr acr- acra acrc acrr acrv acvv ahab ahac ahah ahar ahha ahra ahrc ahrr ahva akaa akah akar akca akha akka akr- akra arab arac arah arak arar arba arbh arc- arca arch arh- arka arkh arr- arra arrc arrh arrk arrr arva avab avar avcc avra avva baaa baah baak baar baba babb babr bac- baca bacc bach back baha bahr bak- baka bakh bakr bar- bara barb barc barh bark barr bava bbbb bbch bbrc bcaa bcar bcbc bcca bccc bcra bhar bhca bhcc bhra brab brac brah brak brav brca brcb brka brkb brrr caaa caab caac caah caba cac- caca cacc cach cack cacr caha caka cara carb carc cark carr cava cbac cbar cbbc cbca cbcc cbcr cbha cbka cbkr cbrh cbva cbvb cbvr ccaa ccab ccac ccar ccba ccbc ccca cccb cccc cccv ccha cchr ccra ccrc chaa chab chac chah chak char chav chca chch chha chka chkb chra chrb chrc chrr ckac ckbc ckch ckck ckcv ckhv ckrc crab crac crar crbc crca crcc crcr crkc cvac cvar cvca cvcc cvra cvrr haab haak haar haba hack haha haka hakk hara harc harh hark harr harv hava hbar hcbc hcca hccb hccc hcch hhaa hhhh hkcc hrac hrrc hvac hvar hvcc kaaa kaab kaak kaar kaba kabb kabc kabr kacb kacc kach kacv kaha kahc kahr kaka kakc kakh kakk kara karb kark karr karv kava kavb kavh kavv kbaa kbab kbac kbak kbar kbba kbbb kbbc kbbk kbbr kbca kbcb kbch kbck kbcr kbhb kbhc kbhh kbhr kbkb kbkk kbkr kbkv kbra kbrb kbrc kbrh kbrk kbrv kbva kbvb kbvc kbvr kcaa kcab kcac kcah kcar kcav kcba kcbc kcbk kcbr kcca kccb kccc kcck kccr kccv kcha kchh kchk kchr kckc kckk kckr kckv kcrc kcrh kcrr kcrv kcvh kcvk kcvr kcvv khab khac khak khar khav khbc khbr khca khcb khcc khch khck khcv khhk khka khkk khkr khkv khra khrk khrr khrv khvh kkaa kkac kkar kkba kkbb kkbr kkcb kkch kkck kkcr kkha kkhb kkhh kkhk kkhr kkkk kkrb kkrc kkrh kkrk kkrr kkrv kkvr kkvv krab krac krah krak krar krav krba krbb krbk krbr krca krcb krcc krch krhc krhv krka krkc krkh krkk krkr krkv krrb krrc krrk krrr krva krvb krvc krvk krvr krvv kvab kvah kvak kvar kvbc kvbr kvcb kvcc kvch kvck kvcr kvcv kvra kvrc kvrh kvrr kvrv kvvr kvvv raab raak raba rabb rabk rac- raca racc rach rack racv raha rahr raka rakk rara rarb rark rava rbbb rbbr rcac rcbc rccb rccc rchb rcvr rrah rrrr rv-c rvca rvvh vaar vaca vach vack vaka vara vark varr vava vbcc vhhh vrac vrak vrav vrba vvvv