-vac a-ak a-ha aaaa aaac aaad aaah aaav aaca aacc aacd aach aack aacv aada aadc aaha aahk aaka aava acaa acac acad acca accc accd acch acda acdc acha achh ackd acvv adaa adac adad adah adak adcc adda addc addd adha adhd ahac ahad ahah ahha ahva akaa akah akca akha akka avcc avda avva c-cd caaa caac caah cac- caca cacc cach cack cada cadc cadd caha caka cava ccaa ccac ccad ccca cccc cccv ccdc ccdh ccha cdaa cdac cdad cdda cdvd chaa chac chad chah chak chav chca chch chha chka ckac ckch ckck ckcv ckhv cvac cvca cvcc daad daca dada daha daka dava dcca dccc dccv dcvd dddd dhaa dhad dhak dkdc dvda haad haak hack hada hadh haha haka hakk hava hcca hccc hcch hdca hdda hhaa hhhh hkcc hvac hvcc kaaa kaak kacc kacd kach kacv kad- kada kadd kadv kaha kahc kaka kakc kakh kakk kava kavh kavv kcaa kcac kcad kcah kcav kcca kccc kccd kcck kccv kcda kcdc kcdd kcdv kcha kchh kchk kckc kckk kckv kcvd kcvh kcvk kcvv kdaa kdac kdad kdak kdav kdca kdcc kdcd kddc kddd kddk kdka kdkd kdkk kdva kdvv khac khad khak khav khca khcc khch khck khcv khdc khdk khdv khhk khka khkk khkv khvh kkaa kkac kkcd kkch kkck kkda kkdc kkdd kkdv kkha kkhh kkhk kkkk kkvv kvah kvak kvcc kvch kvck kvcv kvda kvvv vaad vaca vach vack vada vaka vava vdcc vhhh vvvv