a-a a-c a-q a-z aaa aac aah aan aaq aaz ac- aca acc ach acn acq acz aha ahc ahh ahn ahq ahz an- ana anc anh ann anq anz aqa aqc aqn az- aza azn azq azz c-- caa cac cah can caq caz cca ccc cch ccn ccz ch- cha chc chh chn chq chz cn- cna cnc cnh cnn cqa cqc cz- czc haa hac hah han haq haz hca hcc hch hcn hha hhc hhh hhn hhz hna hnc hnh hnn hnz naa nac nah nan naz nca ncc nch ncn nha nhc nhh nhn nhz nna nnc nnh nnn nnz nqc nzz qaa qac qah qan qaz qca qcc qhc qnh qqq zaa zac zah zan zaq zaz zcq zha zhc znc znn zzz