a-a a-c a-z aaa aac aah aar aay aaz ac- aca acc ach acr acy acz aha ahc ahh ahr ahy ahz ar- ara arc arh arr ary arz ay- aya ayc ayh ayr ayz az- aza azy azz c-- caa cac cah car cay caz cca ccc cch ccr ccz ch- cha chc chh chr chy chz cra crc crh crr cry crz cya cyc cyr cz- czc haa hac hah har hay haz hca hcc hch hcr hcy hha hhc hhh hhr hhy hhz hr- hra hrc hrh hrr hrz hy- hya hyc hyh hyr hyy hzy ra- raa rac rah rar ray raz rca rcc rch rcr rh- rha rhc rhh rhr rra rrc rrh rrr ry- rya ryc ryr ryy ryz rza rzy yaa yac yah yar yay yaz yca ycc ych ycy yha yhc yra yrc yyc yyy yyz yzr yzy zaa zac zah zar zay zaz zha zhc zhr zrh zzr zzy zzz