-er a-a a-c a-t aaa aac aad aae aaf aam aao aar aas aat ac- aca acc acd ace acf acm aco acr acs act ad- ada adc add ade adf adm ado adr ads adt aea aec aed aee aef aem aeo aer aes aet af- afa afc afd afe aff afm afo afr afs aft ama amc amd ame amf amm amo amr ams amt aoa aoc aod aoe aof aom aoo aor aos aot ar- ara arc ard are arf arm aro arr ars art as- asa asc asd ase asf asm aso asr ass ast at- ata atc atd ate atf atm ato atr ats att c-- caa cac cad cae caf cam cao car cas cat cca ccc ccd cce ccf ccm cco ccr ccs cct cda cdc cdd cde cdf cdm cdo cdr cds cdt ce- cea cec ced cee cef cem ceo cer ces cet cfa cfc cfd cfe cff cfm cfo cfr cfs cft cma cmc cmd cme cmf cmm cmo cmr cms cmt co- coa coc cod coe cof com coo cor cos cot cra crc crd cre crf crm cro crr crs crt csa csc csd cse csf csm cso csr css cst cta ctc ctd cte ctf ctm cto ctr cts ctt daa dac dad dae daf dam dao dar das dat dca dcc dcd dce dcf dcm dco dcr dcs dct dda ddc ddd dde ddf ddm ddo ddr dds ddt de- dea dec ded dee def dem deo der des det dfa dfc dfd dfe dff dfm dfo dfr dfs dft dma dmc dmd dme dmf dmm dmo dmr dms dmt doa doc dod doe dof dom doo dor dos dot dra drc drd dre drm dro drr drs drt dsa dsc dsd dse dsf dsm dso dsr dss dst dta dtc dtd dte dtf dtm dto dtr dts dtt eaa eac ead eae eaf eam eao ear eas eat ec- eca ecc ecd ece ecf ecm eco ecr ecs ect ed- eda edc edd ede edf edm edo edr eds edt eea eec eed eee eef eem eeo eer ees eet ef- efa efc efd efe eff efm efo efr efs eft em- ema emc emd eme emf emm emo emr ems emt eo- eoa eoc eod eoe eof eom eoo eor eos eot era erc erd ere erf erm ero err ers ert es- esa esc esd ese esf esm eso esr ess est eta etc etd ete etf etm eto etr ets ett faa fac fad fae faf fam fao far fas fat fca fcc fcd fce fcf fcm fco fcr fcs fct fda fdc fdd fde fdf fdm fdo fdr fds fdt fea fec fed fee fef fem feo fer fes fet ffa ffc ffd ffe fff ffm ffo ffr ffs fft fma fmc fmd fme fmf fmm fmo fmr fms fmt foa foc foe fof fom foo for fos fot fra frc frd fre frf frm fro frr frs frt fsa fsc fsd fse fsf fsm fso fsr fss fst fta ftc ftd fte ftf ftm fto ftr fts ftt m-f m-o m-r maa mac mad mae maf mam mao mar mas mat mc- mca mcc mcd mce mcf mcm mco mcr mcs mct mda mdc mdd mde mdf mdm mdo mdr mds mdt mea mec med mee mef mem meo mer mes met mfa mfc mfd mfe mff mfm mfo mfr mfs mft mma mmc mmd mme mmf mmm mmo mmr mms mmt moa moc mod moe mof mom moo mor mos mot mra mrc mrd mre mrf mrm mro mrr mrs mrt msa msc msd mse msf msm mso msr mss mst mta mtc mtd mte mtf mtm mto mtr mts mtt oaa oac oad oae oaf oam oao oar oas oat oc- oca occ ocd ocf ocm oco ocr ocs oct oda odc odd ode odf odm odo odr ods odt oea oec oed oee oef oem oeo oer oes oet of- ofa ofc ofd ofe off ofm ofo ofr ofs oft om- oma omc omd ome omf omm omo omr oms omt oo- ooa ooc ood oof oom ooo oor oos oot or- ora orc ord ore orf orm oro orr ors ort os- osa osc osd ose osf osm oso osr oss ost ot- ota otc otd ote otf otm oto otr ots ott ra- raa rac rad rae raf ram rao rar ras rat rca rcc rcd rce rcf rcm rco rcr rcs rct rda rdc rdd rde rdf rdm rdo rdr rds rdt re- rea rec red ree ref rem reo rer res ret rfa rfc rfd rfe rff rfm rfo rfr rfs rft rma rmc rmd rme rmf rmm rmo rmr rms rmt roa roc rod roe rof rom roo ror ros rot rra rrc rrd rrf rrm rrr rrs rrt rsa rsc rsd rse rsf rsm rso rsr rss rst rta rtc rtd rte rtf rtm rto rtr rts rtt saa sac sad sae saf sam sao sar sas sat sca scc scd sce scf scm sco scr scs sct sda sdc sdd sde sdf sdm sdo sdr sds sdt se- sea sec sed see sef sem seo ser ses set sfa sfc sfd sfe sff sfm sfo sfr sfs sft sma smc smd sme smf smm smo smr sms smt soa soc sod soe sof som soo sor sos sot sr- sra src srd sre srf srm sro srr srs srt ss- ssa ssc ssd sse ssf ssm sso ssr sss sst sta stc std ste stf stm sto str sts stt taa tac tad tae taf tam tao tar tas tat tca tcc tcd tce tcf tcm tco tcr tcs tct tda tdc tdd tde tdf tdm tdo tdr tds tdt te- tea tec ted tee tef tem teo ter tes tet tfa tfc tfd tfe tff tfm tfo tfr tfs tft tma tmc tmd tme tmf tmm tmo tmr tms tmt to- toa toc tod toe tof tom too tor