a-a a-c a-t aaa aac aad aao aar aas aat aay ac- aca acc acd aco acr acs act acy ad- ada adc add ado adr ads adt ady aoa aoc aod aoo aor aos aot ar- ara arc ard aro arr ars art ary as- asa asc asd aso asr ass ast asy at- ata atc atd ato atr ats att ay- aya ayc ayd ayo ayr ays ayt c-- caa cac cad cao car cas cat cay cca ccc ccd cco ccr ccs cct cda cdc cdd cdo cdr cds cdt cdy co- coa coc cod coo cor cos cot coy cra crc crd cro crr crs crt cry csa csc csd cso csr css cst csy cta ctc ctd cto ctr cts ctt cty cya cyc cyd cyo cyr cys cyt daa dac dad dao dar das dat day dca dcc dcd dco dcr dcs dct dda ddc ddd ddo ddr dds ddt ddy doa doc dod doo dor dos dot doy dra drc drd dro drr drs drt dry dsa dsc dsd dso dsr dss dst dsy dta dtc dtd dto dtr dts dtt dty dy- dya dyc dyd dyo dyr dys dyy oaa oac oad oao oar oas oat oc- oca occ ocd oco ocr ocs oct oda odc odd odo odr ods odt oo- ooa ooc ood ooo oor oos oot or- ora orc ord oro orr ors ort ory os- osa osc osd oso osr oss ost ot- ota otc otd oto otr ots ott oya oyd oyo oys ra- raa rac rad rao rar ras rat ray rca rcc rcd rco rcr rcs rct rda rdc rdd rdo rdr rds rdt rdy roa roc rod roo ror ros rot roy rra rrc rrd rrr rrs rrt rsa rsc rsd rso rsr rss rst rta rtc rtd rto rtr rts rtt rty ry- rya ryc ryd ryo ryr rys ryy saa sac sad sao sar sas sat say sca scc scd sco scr scs sct sda sdc sdd sdo sdr sds sdt sdy soa soc sod soo sor sos sot soy sr- sra src srd sro srr srs srt sry ss- ssa ssc ssd sso ssr sss sst sta stc std sto str sts stt sty sy- sya syc syd syr sys syt taa tac tad tao tar tas tat tay tca tcc tcd tco tcr tcs tct tda tdc tdd tdo tdr tds tdt tdy to- toa toc tod too tor tos tot toy tra trc trd tro trr trs trt try tsa tsc tsd tso tsr tss tst tsy tta ttc ttd tto ttr tts ttt tty tya tyc tyd tyo tyr tys tyt yaa yac yad yao yar yas yat yay yca ycc ycd yco ycs ycy yda ydo yds ydt ydy yoc yod yoo yor yos yot yoy yra yrc yro yrs yrt ysa ysc yso ysr yss yst ysy yta ytc ytd yto ytr yts ytt yyc yys yyt yyy