a-a a-c aaa aac aah aar aau ac- aca acc ach acr acu aha ahc ahh ahr ahu ar- ara arc arh arr aru au- aua auc auh aur c-- caa cac cah car cau cca ccc cch ccr ccu ch- cha chc chh chr chu cra crc crh crr cru cua cuc cuh cur cuu haa hac hah har hau hca hcc hch hcr hha hhc hhh hhr hhu hr- hra hrc hrh hrr hru hua huc huh hur huu ra- raa rac rah rar rau rca rcc rch rcr rcu rh- rha rhc rhh rhr rhu rra rrc rrh rrr rru rua ruc ruh rur ruu ua- uaa uac uah uar uau uca ucc uch ucr ucu uha uhc uhh uhr uhu ur- ura urc urr uru uua uuc uur uuu