a-a a-c aaa aac aah aak aan ac- aca acc ach ack acn aha ahc ahh ahk ahn aka akc akh akk akn an- ana anc anh ank ann c-- caa cac cah cak can cca ccc cch cck ccn ch- cha chc chh chk chn cka ckc ckh cn- cna cnc cnh cnn haa hac hah hak han hca hcc hch hck hcn hha hhc hhh hhk hhn hka hkh hkk hkn hna hnc hnh hnk hnn ka- kaa kac kah kak kan kca kcc kch kck kcn kha khh khk khn kkc kkh kkk kkn kn- kna knc knk knn naa nac nah nak nan nca ncc nch nck ncn nha nhc nhh nhk nhn nka nkc nkk nkn nna nnc nnh nnk nnn