a-a a-c a-t aaa aac aar aas aat aau aay ac- aca acc acr acs act acu acy ar- ara arc arr ars art aru ary as- asa asc asr ass ast asu asy at- ata atc atr ats att atu au- aua auc aur aus aut ay- aya ayc ayr ays ayt ayu c-- caa cac car cas cat cau cay cca ccc ccr ccs cct ccu cra crc crr crs crt cru cry csa csc csr css cst csu csy cta ctc ctr cts ctt ctu cty cua cuc cur cus cut cuu cuy cya cyc cyr cys cyt ra- raa rac rar ras rat rau ray rca rcc rcr rcs rct rcu rra rrc rrr rrs rrt rru rsa rsc rsr rss rst rsu rta rtc rtr rts rtt rtu rty rua ruc rur rus rut ruu ruy ry- rya ryc ryr rys ryu ryy saa sac sar sas sat sau say sca scc scr scs sct scu sr- sra src srr srs srt sry ss- ssa ssc ssr sss sst ssu sta stc str sts stt stu sty sua suc sur sus sut suu suy sy- sya syc syr sys syt syu taa tac tar tas tat tau tay tca tcc tcr tcs tct tcu tra trc trr trs trt tru try tsa tsc tsr tss tst tsu tsy tta ttc ttr tts ttt ttu tty tua tuc tur tus tut tuu tuy tya tyc tyr tys tyt ua- uaa uac uar uas uat uau uay uca ucc ucr ucs uct ucu ur- ura urc urr urs urt uru ury usa usc usr uss ust usu uta utc utr uts utt utu uty uua uuc uur uus uut uuu uyc uys uyu yaa yac yar yas yat yau yay yca ycc ycs ycu ycy yra yrc yrs yrt yru ysa ysc ysr yss yst ysu ysy yta ytc ytr yts ytt ytu yua yur yus yut yuu yuy yyc yys yyt yyu yyy