a-a a-c a-t aaa aac aad aao aap aar aas aat aay ac- aca acc acd aco acp acr acs act acy ad- ada adc add ado adp adr ads adt ady aoa aoc aod aoo aop aor aos aot ap- apa apc apd apo app apr aps apt apy ar- ara arc ard aro arp arr ars art ary as- asa asc asd aso asp asr ass ast asy at- ata atc atd ato atp atr ats att ay- aya ayc ayd ayo ayp ayr ays ayt c-- caa cac cad cao cap car cas cat cay cca ccc ccd cco ccp ccr ccs cct cda cdc cdd cdo cdp cdr cds cdt cdy co- coa coc cod coo cop cor cos cot coy cpa cpc cpd cpo cpp cpr cps cpt cra crc crd cro crp crr crs crt cry csa csc csd cso csp csr css cst csy cta ctc ctd cto ctp ctr cts ctt cty cya cyc cyd cyo cyp cyr cys cyt daa dac dad dao dap dar das dat day dca dcc dcd dco dcp dcr dcs dct dda ddc ddd ddo ddp ddr dds ddt ddy doa doc dod doo dop dor dos dot doy dpa dpc dpd dpo dpp dpr dps dpt dra drc drd dro drp drr drs drt dry dsa dsc dsd dso dsp dsr dss dst dsy dta dtc dtd dto dtp dtr dts dtt dty dy- dya dyc dyd dyo dyp dyr dys dyy oaa oac oad oao oap oar oas oat oc- oca occ ocd oco ocp ocr ocs oct oda odc odd odo odp odr ods odt oo- ooa ooc ood ooo oop oor oos oot op- opa opc opd opo opp opr ops opt opy or- ora orc ord oro orp orr ors ort ory os- osa osc osd oso osp osr oss ost ot- ota otc otd oto otp otr ots ott oya oyd oyo oys p-p paa pac pad pao pap par pas pat pay pca pcc pcd pco pcp pcr pcs pct pda pdc pdd pdo pdp pdr pds pdt poa poc pod poo pop por pos pot poy ppa ppc ppd ppo ppp ppr pps ppt pra prc prd pro prp prr prs prt pry ps- psa psc psd pso psp psr pss pst psy pt- pta ptc ptd pto ptp ptr pts ptt pty py- pya pyc pyd pyo pyr pys pyt ra- raa rac rad rao rap rar ras rat ray rca rcc rcd rco rcp rcr rcs rct rda rdc rdd rdo rdp rdr rds rdt rdy roa roc rod roo rop ror ros rot roy rpa rpc rpd rpo rpp rpr rps rpt rra rrc rrd rrp rrr rrs rrt rsa rsc rsd rso rsp rsr rss rst rta rtc rtd rto rtp rtr rts rtt rty ry- rya ryc ryd ryo ryr rys ryy saa sac sad sao sap sar sas sat say sca scc scd sco scp scr scs sct sda sdc sdd sdo sdp sdr sds sdt sdy soa soc sod soo sop sor sos sot soy spa spc spd spo spp spr sps spt spy sr- sra src srd sro srp srr srs srt sry ss- ssa ssc ssd sso ssp ssr sss sst sta stc std sto stp str sts stt sty sy- sya syc syd syp syr sys syt taa tac tad tao tap tar tas tat tay tca tcc tcd tco tcp tcr tcs tct tda tdc tdd tdo tdp tdr tds tdt tdy to- toa toc tod too top tor tos tot toy tpa tpc tpd tpo tpp tpr tps tpt tra trc trd tro trp trr trs trt try tsa tsc tsd tso tsp tsr tss tst tsy tta ttc ttd tto ttp ttr tts ttt tty tya tyc tyd tyo typ tyr tys tyt yaa yac yad yao yap yar yas yat yay yca ycc ycd yco ycp ycs ycy yda ydo yds ydt ydy yoc yod yoo yop yor yos yot yoy ypa ypd ypo yps yra yrc yro yrp yrs yrt ysa ysc yso ysp ysr yss yst ysy yta ytc ytd yto ytp ytr yts ytt yyc yys yyt yyy