a-a a-c aaa aac aah aak aar ac- aca acc ach ack acr aha ahc ahh ahk ahr aka akc akh akk akr ar- ara arc arh ark arr c-- caa cac cah cak car cca ccc cch cck ccr ch- cha chc chh chk chr cka ckc ckh cra crc crh crk crr haa hac hah hak har hca hcc hch hck hcr hha hhc hhh hhk hhr hka hkh hkk hkr hr- hra hrc hrh hrk hrr ka- kaa kac kah kak kar kca kcc kch kck kcr kha khh khk khr kkc kkh kkk kkr kra krc krk krr ra- raa rac rah rak rar rca rcc rch rcr rh- rha rhc rhh rhr rkc rkk rra rrc rrh rrk rrr