a-a a-c a-t aaa aac aak aao aar aas aat aay ac- aca acc ack aco acr acs act acy aka akc akk ako akr aks aoa aoc aok aoo aor aos aot ar- ara arc ark aro arr ars art ary as- asa asc ask aso asr ass ast asy at- ata atc ato atr ats att ay- aya ayc ayk ayo ayr ays ayt c-- caa cac cak cao car cas cat cay cca ccc cck cco ccr ccs cct cka ckc cko cks ckt cky co- coa coc cok coo cor cos cot coy cra crc crk cro crr crs crt cry csa csc csk cso csr css cst csy cta ctc ctk cto ctr cts ctt cty cya cyc cyk cyo cyr cys cyt k-t ka- kaa kac kak kao kar kas kat kay kca kcc kck kcr kcs kct kkc kkk kkr kks kkt kky koa koc kok koo kor kos kot koy kra krc krk kro krr krs krt kry ksa ksc ksk kso ksr kss kst kta ktc ktk kto ktr kts ktt kya kyc kyo kyr kys kyt oaa oac oak oao oar oas oat oc- oca occ ock oco ocr ocs oct oka okc okk oko okr oks oo- ooa ooc ook ooo oor oos oot or- ora orc ork oro orr ors ort ory os- osa osc osk oso osr oss ost ot- ota otc otk oto otr ots ott oya oyo oys ra- raa rac rak rao rar ras rat ray rca rcc rco rcr rcs rct rkc rkk rko rks rkt rky roa roc rok roo ror ros rot roy rra rrc rrk rrr rrs rrt rsa rsc rsk rso rsr rss rst rta rtc rtk rto rtr rts rtt rty ry- rya ryc ryk ryo ryr rys ryy saa sac sak sao sar sas sat say sca scc sck sco scr scs sct sk- ska skc skk sko skr sks skt sky soa soc sok soo sor sos sot soy sr- sra src srk sro srr srs srt sry ss- ssa ssc ssk sso ssr sss sst sta stc stk sto str sts stt sty sy- sya syc syk syr sys syt taa tac tak tao tar tas tat tay tca tcc tck tco tcr tcs tct tka tkc tkk tko tkr tks tkt tky to- toa toc tok too tor tos tot toy tra trc trk tro trr trs trt try tsa tsc tsk tso tsr tss tst tsy tta ttc ttk tto ttr tts ttt tty tya tyc tyo tyr tys tyt yaa yac yak yao yar yas yat yay yca ycc yco ycs ycy yka ykk yoc yok yoo yor yos yot yoy yra yrc yro yrs yrt ysa ysc ysk yso ysr yss yst ysy yta ytc ytk yto ytr yts ytt yyc yys yyt yyy