a-a a-c a-z aaa aac aah aar aau aaz ac- aca acc ach acr acu acz aha ahc ahh ahr ahu ahz ar- ara arc arh arr aru arz au- aua auc auh aur auz az- aza azu azz c-- caa cac cah car cau caz cca ccc cch ccr ccu ccz ch- cha chc chh chr chu chz cra crc crh crr cru crz cua cuc cuh cur cuu cuz cz- czc haa hac hah har hau haz hca hcc hch hcr hha hhc hhh hhr hhu hhz hr- hra hrc hrh hrr hru hrz hua huc huh hur huu huz ra- raa rac rah rar rau raz rca rcc rch rcr rcu rh- rha rhc rhh rhr rhu rra rrc rrh rrr rru rua ruc ruh rur ruu ruz rza ua- uaa uac uah uar uau uaz uca ucc uch ucr ucu uha uhc uhh uhr uhu ur- ura urc urr uru urz uua uuc uur uuu uza uzh uzu zaa zac zah zar zaz zha zhc zhr zhu zrh zuc zur zuz zzr zzz