a-a a-c a-t aaa aac aad aak aao aar aas aat aay ac- aca acc acd ack aco acr acs act acy ad- ada adc add adk ado adr ads adt ady aka akc akd akk ako akr aks aoa aoc aod aok aoo aor aos aot ar- ara arc ard ark aro arr ars art ary as- asa asc asd ask aso asr ass ast asy at- ata atc atd ato atr ats att ay- aya ayc ayd ayk ayo ayr ays ayt c-- caa cac cad cak cao car cas cat cay cca ccc ccd cck cco ccr ccs cct cda cdc cdd cdk cdo cdr cds cdt cdy cka ckc ckd cko cks ckt cky co- coa coc cod cok coo cor cos cot coy cra crc crd crk cro crr crs crt cry csa csc csd csk cso csr css cst csy cta ctc ctd ctk cto ctr cts ctt cty cya cyc cyd cyk cyo cyr cys cyt daa dac dad dak dao dar das dat day dca dcc dcd dck dco dcr dcs dct dda ddc ddd ddk ddo ddr dds ddt ddy dka dkc dkk dko dkr dks dkt doa doc dod dok doo dor dos dot doy dra drc drd drk dro drr drs drt dry dsa dsc dsd dsk dso dsr dss dst dsy dta dtc dtd dtk dto dtr dts dtt dty dy- dya dyc dyd dyk dyo dyr dys dyy k-t ka- kaa kac kad kak kao kar kas kat kay kca kcc kcd kck kcr kcs kct kda kdc kdk kdo kdr kds kdt kdy kkc kkk kkr kks kkt kky koa koc kod kok koo kor kos kot koy kra krc krd krk kro krr krs krt kry ksa ksc ksd ksk kso ksr kss kst kta ktc ktk kto ktr kts ktt kya kyc kyd kyo kyr kys kyt oaa oac oad oak oao oar oas oat oc- oca occ ocd ock oco ocr ocs oct oda odc odd odo odr ods odt oka okc okd okk oko okr oks oo- ooa ooc ood ook ooo oor oos oot or- ora orc ord ork oro orr ors ort ory os- osa osc osd osk oso osr oss ost ot- ota otc otd otk oto otr ots ott oya oyd oyo oys ra- raa rac rad rak rao rar ras rat ray rca rcc rcd rco rcr rcs rct rda rdc rdd rdo rdr rds rdt rdy rkc rkk rko rks rkt rky roa roc rod rok roo ror ros rot roy rra rrc rrd rrk rrr rrs rrt rsa rsc rsd rsk rso rsr rss rst rta rtc rtd rtk rto rtr rts rtt rty ry- rya ryc ryd ryk ryo ryr rys ryy saa sac sad sak sao sar sas sat say sca scc scd sck sco scr scs sct sda sdc sdd sdk sdo sdr sds sdt sdy sk- ska skc skd skk sko skr sks skt sky soa soc sod sok soo sor sos sot soy sr- sra src srd srk sro srr srs srt sry ss- ssa ssc ssd ssk sso ssr sss sst sta stc std stk sto str sts stt sty sy- sya syc syd syk syr sys syt taa tac tad tak tao tar tas tat tay tca tcc tcd tck tco tcr tcs tct tda tdc tdd tdk tdo tdr tds tdt tdy tka tkc tkk tko tkr tks tkt tky to- toa toc tod tok too tor tos tot toy tra trc trd trk tro trr trs trt try tsa tsc tsd tsk tso tsr tss tst tsy tta ttc ttd ttk tto ttr tts ttt tty tya tyc tyd tyo tyr tys tyt yaa yac yad yak yao yar yas yat yay yca ycc ycd yco ycs ycy yda ydo yds ydt ydy yka ykk yoc yod yok yoo yor yos yot yoy yra yrc yro yrs yrt ysa ysc ysk yso ysr yss yst ysy yta ytc ytd ytk yto ytr yts ytt yyc yys yyt yyy