a-a a-c aaa aac aao aar aau aay ac- aca acc aco acr acu acy aoa aoc aoo aor aou ar- ara arc aro arr aru ary au- aua auc auo aur ay- aya ayc ayo ayr ayu c-- caa cac cao car cau cay cca ccc cco ccr ccu co- coa coc coo cor cou coy cra crc cro crr cru cry cua cuc cuo cur cuu cuy cya cyc cyo cyr oaa oac oao oar oau oc- oca occ oco ocr ocu oo- ooa ooc ooo oor or- ora orc oro orr oru ory ou- oua ouc ouo our oya oyo ra- raa rac rao rar rau ray rca rcc rco rcr rcu roa roc roo ror rou roy rra rrc rrr rru rua ruc ruo rur ruu ruy ry- rya ryc ryo ryr ryu ryy ua- uaa uac uao uar uau uay uca ucc uco ucr ucu uoa uoc uoo uor ur- ura urc uro urr uru ury uua uuc uur uuu uyc uyo uyu yaa yac yao yar yau yay yca ycc yco ycu ycy yoc yoo yor you yoy yra yrc yro yru yua yuo yur yuu yuy yyc yyu yyy