-er a-a a-c a-t aaa aac aad aae aaf aar aas aat ac- aca acc acd ace acf acr acs act ad- ada adc add ade adf adr ads adt aea aec aed aee aef aer aes aet af- afa afc afd afe aff afr afs aft ar- ara arc ard are arf arr ars art as- asa asc asd ase asf asr ass ast at- ata atc atd ate atf atr ats att c-- caa cac cad cae caf car cas cat cca ccc ccd cce ccf ccr ccs cct cda cdc cdd cde cdf cdr cds cdt ce- cea cec ced cee cef cer ces cet cfa cfc cfd cfe cff cfr cfs cft cra crc crd cre crf crr crs crt csa csc csd cse csf csr css cst cta ctc ctd cte ctf ctr cts ctt daa dac dad dae daf dar das dat dca dcc dcd dce dcf dcr dcs dct dda ddc ddd dde ddf ddr dds ddt de- dea dec ded dee def der des det dfa dfc dfd dfe dff dfr dfs dft dra drc drd dre drr drs drt dsa dsc dsd dse dsf dsr dss dst dta dtc dtd dte dtf dtr dts dtt eaa eac ead eae eaf ear eas eat ec- eca ecc ecd ece ecf ecr ecs ect ed- eda edc edd ede edf edr eds edt eea eec eed eee eef eer ees eet ef- efa efc efd efe eff efr efs eft era erc erd ere erf err ers ert es- esa esc esd ese esf esr ess est eta etc etd ete etf etr ets ett faa fac fad fae faf far fas fat fca fcc fcd fce fcf fcr fcs fct fda fdc fdd fde fdf fdr fds fdt fea fec fed fee fef fer fes fet ffa ffc ffd ffe fff ffr ffs fft fra frc frd fre frf frr frs frt fsa fsc fsd fse fsf fsr fss fst fta ftc ftd fte ftf ftr fts ftt ra- raa rac rad rae raf rar ras rat rca rcc rcd rce rcf rcr rcs rct rda rdc rdd rde rdf rdr rds rdt re- rea rec red ree ref rer res ret rfa rfc rfd rfe rff rfr rfs rft rra rrc rrd rrf rrr rrs rrt rsa rsc rsd rse rsf rsr rss rst rta rtc rtd rte rtf rtr rts rtt saa sac sad sae saf sar sas sat sca scc scd sce scf scr scs sct sda sdc sdd sde sdf sdr sds sdt se- sea sec sed see sef ser ses set sfa sfc sfd sfe sff sfr sfs sft sr- sra src srd sre srf srr srs srt ss- ssa ssc ssd sse ssf ssr sss sst sta stc std ste stf str sts stt taa tac tad tae taf tar tas tat tca tcc tcd tce tcf tcr tcs tct tda tdc tdd tde tdf tdr tds tdt te- tea tec ted tee tef ter tes tet tfa tfc tfd tfe tff tfr tfs tft tra trc trd tre trf trr trs trt tsa tsc tsd tse tsf tsr tss tst tta ttc ttd tte ttf ttr tts ttt

-ase aaaa aaac aaad aaae aaaf aaar aaas aaca aacc aacd aace aacf aacr aacs aact aada aadc aade aads aadt aaea aaec aaes aafa aafc aafd aaff aara aarc aard aare aars aart aasa aasc aasd aase aasf aass aast aata aatc aatf aatt ac-t acaa acac acad acae acar acas acat acca accc accd acce accf accs acct acda acdc acde acdf acds acdt ace- acea acec aced acer aces acet acfc acfd acfe acfs acft acr- acra acrc acre acrr acrs acsa acsc acsd acse acss acst acta actc acte actf acts actt adaa adac adad adae adar adas adat adcc adcs adda addc addd adde addr adds adea adee ader ades adet adfa adfc adfs adra adre adrs adsa adsr adss adst adta adts aeac aeaf aeas aect aede aedt aeer aer- aera aerc aerd aers aesc aesd aess aest aeta aetc aetf aetr aett afaa afad afar afat afca afcc afcs afdc afee afer afes afet affa affc affs afft afr- afra afrc afre afrs afsa afsc afst afta aftc afte afts arac arad arae araf arar aras arat arc- arca arce arcs arct arda ardc arde ardf ards area arec ared aree aref ares aret arfa arfc arff arfs arft arr- arra arrc arre arrr arrs arrt ars- arsa arsc arsd arse arst arta artc arte artr arts asaa asac asad asae asaf asar asas asat asc- asca ascc asce ascr asct asda asde asdf asds asea asec asee aser ases aset asfa asra asrc asrs assa assc assd asse assr asss asst asta astc aste astr asts at-t ataa atac atad atae atar atas atat atca atcc atcf atcr atcs atdt atea atec ated atee atef ater ates atfc atfe atfs atra atrc atre atsc atse atst atta atte attr atts c-cd caaa caac caaf caas caat cac- caca cacc cace cacr cada cadc cadd cade cadr cads caec caer caes cafa cafc cafe caff cafs cara carc card care carf carr cars cart casa casc casd case casr cass cast cat- cata catc catd cate catf cats catt ccaa ccac ccad ccaf ccar ccas ccat ccca cccc cccf cccs ccdc ccdf ccdr ccds cced ccee ccfa ccfc ccfd ccff ccra ccrc ccre ccrf ccrs ccrt ccsa ccsd ccsf ccss ccst cctc cctt cd-e cd-r cdaa cdac cdad cdcs cdda cddr cdec cdef cder cdes cdfa cdfe cdfs cdre cdrs cdss ceac cead cear ceas ceat cec- ceca cece cecs cect ceda cedd cede cedt ceec cees cef- cefa cefc cer- cera cerc cerd cere cerf cers cert cesa cesc cese cesr cess cest cet- ceta cete cets cfaa cfac cfae cfar cfca cfcf cfcs cfda cfds cffr cfra cfre cfrt cfsa cfse cfta cftc cfte cftr crac craf crar cras crat crca crcc crce crcr crda crdc cre- crea