a-a a-c a-t aaa aac aad aaf aao aar aas aat aay ac- aca acc acd acf aco acr acs act acy ad- ada adc add adf ado adr ads adt ady af- afa afc afd aff afo afr afs aft afy aoa aoc aod aof aoo aor aos aot ar- ara arc ard arf aro arr ars art ary as- asa asc asd asf aso asr ass ast asy at- ata atc atd atf ato atr ats att ay- aya ayc ayd ayf ayo ayr ays ayt c-- caa cac cad caf cao car cas cat cay cca ccc ccd ccf cco ccr ccs cct cda cdc cdd cdf cdo cdr cds cdt cdy cfa cfc cfd cff cfo cfr cfs cft co- coa coc cod cof coo cor cos cot coy cra crc crd crf cro crr crs crt cry csa csc csd csf cso csr css cst csy cta ctc ctd ctf cto ctr cts ctt cty cya cyc cyd cyf cyo cyr cys cyt daa dac dad daf dao dar das dat day dca dcc dcd dcf dco dcr dcs dct dda ddc ddd ddf ddo ddr dds ddt ddy dfa dfc dfd dff dfo dfr dfs dft doa doc dod dof doo dor dos dot doy dra drc drd dro drr drs drt dry dsa dsc dsd dsf dso dsr dss dst dsy dta dtc dtd dtf dto dtr dts dtt dty dy- dya dyc dyd dyo dyr dys dyy faa fac fad faf fao far fas fat fay fca fcc fcd fcf fco fcr fcs fct fcy fda fdc fdd fdf fdo fdr fds fdt ffa ffc ffd fff ffo ffr ffs fft ffy foa foc fof foo for fos fot foy fra frc frd frf fro frr frs frt fry fsa fsc fsd fsf fso fsr fss fst fta ftc ftd ftf fto ftr fts ftt fty fy- fya fyc fyo oaa oac oad oaf oao oar oas oat oc- oca occ ocd ocf oco ocr ocs oct oda odc odd odf odo odr ods odt of- ofa ofc ofd off ofo ofr ofs oft oo- ooa ooc ood oof ooo oor oos oot or- ora orc ord orf oro orr ors ort ory os- osa osc osd osf oso osr oss ost ot- ota otc otd otf oto otr ots ott oya oyd oyo oys ra- raa rac rad raf rao rar ras rat ray rca rcc rcd rcf rco rcr rcs rct rda rdc rdd rdf rdo rdr rds rdt rdy rfa rfc rfd rff rfo rfr rfs rft roa roc rod rof roo ror ros rot roy rra rrc rrd rrf rrr rrs rrt rsa rsc rsd rsf rso rsr rss rst rta rtc rtd rtf rto rtr rts rtt rty ry- rya ryc ryd ryf ryo ryr rys ryy saa sac sad saf sao sar sas sat say sca scc scd scf sco scr scs sct sda sdc sdd sdf sdo sdr sds sdt sdy sfa sfc sfd sff sfo sfr sfs sft soa soc sod sof soo sor sos sot soy sr- sra src srd srf sro srr srs srt sry ss- ssa ssc ssd ssf sso ssr sss sst sta stc std stf sto str sts stt sty sy- sya syc syd syr sys syt taa tac tad taf tao tar tas tat tay tca tcc tcd tcf tco tcr tcs tct tda tdc tdd tdf tdo tdr tds tdt tdy tfa tfc tfd tff tfo tfr tfs tft to- toa toc tod tof too tor tos tot toy tra trc trd trf tro trr trs trt try tsa tsc tsd tsf tso tsr tss tst tsy tta ttc ttd ttf tto ttr tts ttt tty tya tyc tyd tyf tyo tyr tys tyt yaa yac yad yaf yao yar yas yat yay yca ycc ycd ycf yco ycs ycy yda ydo yds ydt ydy yfa yfc yfd yff yfr yfs yft yoc yod yof yoo yor yos yot yoy yra yrc yrf yro yrs yrt ysa ysc yso ysr yss yst ysy yta ytc ytd ytf yto ytr yts ytt yyc yyf yys yyt yyy