a-a a-c a-t aaa aac aad aaf aao aar aas aat ac- aca acc acd acf aco acr acs act ad- ada adc add adf ado adr ads adt af- afa afc afd aff afo afr afs aft aoa aoc aod aof aoo aor aos aot ar- ara arc ard arf aro arr ars art as- asa asc asd asf aso asr ass ast at- ata atc atd atf ato atr ats att c-- caa cac cad caf cao car cas cat cca ccc ccd ccf cco ccr ccs cct cda cdc cdd cdf cdo cdr cds cdt cfa cfc cfd cff cfo cfr cfs cft co- coa coc cod cof coo cor cos cot cra crc crd crf cro crr crs crt csa csc csd csf cso csr css cst cta ctc ctd ctf cto ctr cts ctt daa dac dad daf dao dar das dat dca dcc dcd dcf dco dcr dcs dct dda ddc ddd ddf ddo ddr dds ddt dfa dfc dfd dff dfo dfr dfs dft doa doc dod dof doo dor dos dot dra drc drd dro drr drs drt dsa dsc dsd dsf dso dsr dss dst dta dtc dtd dtf dto dtr dts dtt faa fac fad faf fao far fas fat fca fcc fcd fcf fco fcr fcs fct fda fdc fdd fdf fdo fdr fds fdt ffa ffc ffd fff ffo ffr ffs fft foa foc fof foo for fos fot fra frc frd frf fro frr frs frt fsa fsc fsd fsf fso fsr fss fst fta ftc ftd ftf fto ftr fts ftt 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 os- osa osc osd osf oso osr oss ost ot- ota otc otd otf oto otr ots ott ra- raa rac rad raf rao rar ras rat rca rcc rcd rcf rco rcr rcs rct rda rdc rdd rdf rdo rdr rds rdt rfa rfc rfd rff rfo rfr rfs rft roa roc rod rof roo ror ros rot rra rrc rrd rrf rrr rrs rrt rsa rsc rsd rsf rso rsr rss rst rta rtc rtd rtf rto rtr rts rtt saa sac sad saf sao sar sas sat sca scc scd scf sco scr scs sct sda sdc sdd sdf sdo sdr sds sdt sfa sfc sfd sff sfo sfr sfs sft soa soc sod sof soo sor sos sot sr- sra src srd srf sro srr srs srt ss- ssa ssc ssd ssf sso ssr sss sst sta stc std stf sto str sts stt taa tac tad taf tao tar tas tat tca tcc tcd tcf tco tcr tcs tct tda tdc tdd tdf tdo tdr tds tdt tfa tfc tfd tff tfo tfr tfs tft to- toa toc tod tof too tor tos tot tra trc trd trf tro trr trs trt tsa tsc tsd tsf tso tsr tss tst tta ttc ttd ttf tto ttr tts ttt

a-do aaaa aaac aaad aaaf aaar aaas aaca aacc aacd aacf aaco aacr aacs aact aada aadc aads aadt aafa aafc aafd aaff aaoo aara aarc aard aaro aars aart aasa aasc aasd aasf aass aast aata aatc aatf aatt ac-t acaa acac acad acar acas acat acca accc accd accf acco accs acct acda acdc acdf acds acdt acfc acfd acfs acft acoa acod acor acos acot acr- acra acrc acro acrr acrs acsa acsc acsd acss acst acta actc actf acto acts actt adaa adac adad adao adar adas adat adcc adcs adda addc addd addo addr adds adfa adfc adfs adoc adod adoo ador ados adot adra adro adrs adsa adso adsr adss adst adta adts afaa afad afao afar afat afca afcc afcs afdc affa affc affo affs afft afoa afoo afor afr- afra afrc afro afrs afsa afsc afst afta aftc afts aoca aocs aora aors aort aosd aoss aotc aotd aotf arac arad araf arar aras arat arc- arca arco arcs arct arda ardc ardf ardo ards arfa arfc arff arfs arft aroa arod aroo aror aros arr- arra arrc arro arrr arrs arrt ars- arsa arsc arsd arso arst arta artc arto artr arts asaa asac asad asaf asao asar asas asat asc- asca ascc asco ascr asct asda asdf asdo asds asfa asoc asod asof asor asos asot asra asrc asro asrs assa assc assd asso assr asss asst asta astc asto astr asts at-t ataa atac atad atar atas atat atca atcc atcf atco atcr atcs atdt atfc atfs atoc atod atof ator atos atot atra atrc atro atsc atst atta atto attr atts c-cd caaa caac caaf caas caat cac- caca cacc caco cacr cada cadc cadd cado cadr cads cafa cafc caff cafs caod caor caos cara carc card carf caro carr cars cart casa casc casd caso casr cass cast cat- cata catc catd catf cato cats catt ccaa ccac ccad ccaf ccar ccas ccat ccca cccc cccf cccs ccdc ccdf ccdr ccds ccfa ccfc ccfd ccff ccoc ccod ccra ccrc ccrf ccrs ccrt ccsa ccsd ccsf ccss ccst cctc cctt cd-r cdaa cdac cdad cdcs cdda cddr cdfa cdfs cdos cdot cdrs cdss cfaa cfac cfao cfar cfca cfcf cfco cfcs cfda cfds cffr cfoa cfor cfos cfra cfrt cfsa cfta cftc cftr coad coas coat coca coco coct coda codd cods cofc coff cofs coft cood coof coos coot cor- cora corc cord corf coro corr cors cort cosa cosc coso coss cost cota cotc coto cots cott crac craf crar cras crat crca crcc crcr crda crdc crfc crfs croc crod croo cror crot crrt crsa crss crst crtc crtf crts csaa csac csao csar csas csat cscc cscd cscf csco cscr cscs csda csdr csfc csfr csor csos csot csra csrc csrd csrs cssa