a-a a-c aaa aac aah aan aar ac- aca acc ach acn acr aha ahc ahh ahn ahr an- ana anc anh ann anr ar- ara arc arh arn arr c-- caa cac cah can car cca ccc cch ccn ccr ch- cha chc chh chn chr cn- cna cnc cnh cnn cnr cra crc crh crn crr haa hac hah han har hca hcc hch hcn hcr hha hhc hhh hhn hhr hna hnc hnh hnn hr- hra hrc hrh hrn hrr naa nac nah nan nar nca ncc nch ncn ncr nha nhc nhh nhn nhr nna nnc nnh nnn nra nrc nrn nrr ra- raa rac rah ran rar rca rcc rch rcn rcr rh- rha rhc rhh rhn rhr rna rnc rnh rnn rnr rra rrc rrh rrn rrr