a-a a-c aaa aac aar aau aay ac- aca acc acr acu acy ar- ara arc arr aru ary au- aua auc aur ay- aya ayc ayr ayu c-- caa cac car cau cay cca ccc ccr ccu cra crc crr cru cry cua cuc cur cuu cuy cya cyc cyr ra- raa rac rar rau ray rca rcc rcr rcu rra rrc rrr rru rua ruc rur ruu ruy ry- rya ryc ryr ryu ryy ua- uaa uac uar uau uay uca ucc ucr ucu ur- ura urc urr uru ury uua uuc uur uuu uyc uyu yaa yac yar yau yay yca ycc ycu ycy yra yrc yru yua yur yuu yuy yyc yyu yyy