a-a a-c aaa aac aao aar aas aau aay ac- aca acc aco acr acs acu acy aoa aoc aoo aor aos aou ar- ara arc aro arr ars aru ary as- asa asc aso asr ass asu asy au- aua auc auo aur aus ay- aya ayc ayo ayr ays ayu c-- caa cac cao car cas cau cay cca ccc cco ccr ccs ccu co- coa coc coo cor cos cou coy cra crc cro crr crs cru cry csa csc cso csr css csu csy cua cuc cuo cur cus cuu cuy cya cyc cyo cyr cys oaa oac oao oar oas oau oc- oca occ oco ocr ocs ocu oo- ooa ooc ooo oor oos or- ora orc oro orr ors oru ory os- osa osc oso osr oss osu ou- oua ouc ouo our ous oya oyo oys ra- raa rac rao rar ras rau ray rca rcc rco rcr rcs rcu roa roc roo ror ros rou roy rra rrc rrr rrs rru rsa rsc rso rsr rss rsu rua ruc ruo rur rus ruu ruy ry- rya ryc ryo ryr rys ryu ryy saa sac sao sar sas sau say sca scc sco scr scs scu soa soc soo sor sos sou soy sr- sra src sro srr srs sry ss- ssa ssc sso ssr sss ssu sua suc suo sur sus suu suy sy- sya syc syr sys syu ua- uaa uac uao uar uas uau uay uca ucc uco ucr ucs ucu uoa uoc uoo uor uos ur- ura urc uro urr urs uru ury usa usc uso usr uss usu uua uuc uur uus uuu uyc uyo uys uyu yaa yac yao yar yas yau yay yca ycc yco ycs ycu ycy yoc yoo yor yos you yoy yra yrc yro yrs yru ysa ysc yso ysr yss ysu ysy yua yuo yur yus yuu yuy yyc yys yyu yyy