a-a a-c aaa aac aah aar aay ac- aca acc ach acr acy aha ahc ahh ahr ahy ar- ara arc arh arr ary ay- aya ayc ayh ayr c-- caa cac cah car cay cca ccc cch ccr ch- cha chc chh chr chy cra crc crh crr cry cya cyc cyr haa hac hah har hay hca hcc hch hcr hcy hha hhc hhh hhr hhy hr- hra hrc hrh hrr hy- hya hyc hyh hyr hyy ra- raa rac rah rar ray rca rcc rch rcr rh- rha rhc rhh rhr rra rrc rrh rrr ry- rya ryc ryr ryy yaa yac yah yar yay yca ycc ych ycy yha yhc yra yrc yyc yyy