-er a-a a-c a-t aaa aac aad aae aaf aam aao aar aat ac- aca acc acd ace acf acm aco acr act ad- ada adc add ade adf adm ado adr adt aea aec aed aee aef aem aeo aer aet af- afa afc afd afe aff afm afo afr aft ama amc amd ame amf amm amo amr amt aoa aoc aod aoe aof aom aoo aor aot ar- ara arc ard are arf arm aro arr art at- ata atc atd ate atf atm ato atr att c-- caa cac cad cae caf cam cao car cat cca ccc ccd cce ccf ccm cco ccr cct cda cdc cdd cde cdf cdm cdo cdr cdt ce- cea cec ced cee cef cem ceo cer cet cfa cfc cfd cfe cff cfm cfo cfr cft cma cmc cmd cme cmf cmm cmo cmr cmt co- coa coc cod coe cof com coo cor cot cra crc crd cre crf crm cro crr crt cta ctc ctd cte ctf ctm cto ctr ctt daa dac dad dae daf dam dao dar dat dca dcc dcd dce dcf dcm dco dcr dct dda ddc ddd dde ddf ddm ddo ddr ddt de- dea dec ded dee def dem deo der det dfa dfc dfd dfe dff dfm dfo dfr dft dma dmc dmd dme dmf dmm dmo dmr dmt doa doc dod doe dof dom doo dor dot dra drc drd dre drm dro drr drt dta dtc dtd dte dtf dtm dto dtr dtt eaa eac ead eae eaf eam eao ear eat ec- eca ecc ecd ece ecf ecm eco ecr ect ed- eda edc edd ede edf edm edo edr edt eea eec eed eee eef eem eeo eer eet ef- efa efc efd efe eff efm efo efr eft em- ema emc emd eme emf emm emo emr emt eo- eoa eoc eod eoe eof eom eoo eor eot era erc erd ere erf erm ero err ert eta etc etd ete etf etm eto etr ett faa fac fad fae faf fam fao far fat fca fcc fcd fce fcf fcm fco fcr fct fda fdc fdd fde fdf fdm fdo fdr fdt fea fec fed fee fef fem feo fer fet ffa ffc ffd ffe fff ffm ffo ffr fft fma fmc fmd fme fmf fmm fmo fmr fmt foa foc foe fof fom foo for fot fra frc frd fre frf frm fro frr frt fta ftc ftd fte ftf ftm fto ftr ftt m-f m-o m-r maa mac mad mae maf mam mao mar mat mc- mca mcc mcd mce mcf mcm mco mcr mct mda mdc mdd mde mdf mdm mdo mdr mdt mea mec med mee mef mem meo mer met mfa mfc mfd mfe mff mfm mfo mfr mft mma mmc mmd mme mmf mmm mmo mmr mmt moa moc mod moe mof mom moo mor mot mra mrc mrd mre mrf mrm mro mrr mrt mta mtc mtd mte mtf mtm mto mtr mtt oaa oac oad oae oaf oam oao oar oat oc- oca occ ocd ocf ocm oco ocr oct oda odc odd ode odf odm odo odr odt oea oec oed oee oef oem oeo oer oet of- ofa ofc ofd ofe off ofm ofo ofr oft om- oma omc omd ome omf omm omo omr omt oo- ooa ooc ood oof oom ooo oor oot or- ora orc ord ore orf orm oro orr ort ot- ota otc otd ote otf otm oto otr ott ra- raa rac rad rae raf ram rao rar rat rca rcc rcd rce rcf rcm rco rcr rct rda rdc rdd rde rdf rdm rdo rdr rdt re- rea rec red ree ref rem reo rer ret rfa rfc rfd rfe rff rfm rfo rfr rft rma rmc rmd rme rmf rmm rmo rmr rmt roa roc rod roe rof rom roo ror rot rra rrc rrd rrf rrm rrr rrt rta rtc rtd rte rtf rtm rto rtr rtt taa tac tad tae taf tam tao tar tat tca tcc tcd tce tcf tcm tco tcr tct tda tdc tdd tde tdf tdm tdo tdr tdt te- tea tec ted tee tef tem teo ter tet tfa tfc tfd tfe tff tfm tfo tfr tft tma tmc tmd tme tmf tmm tmo tmr tmt to- toa toc tod toe tof tom too tor tot tra trc trd tre trf trm tro trr trt tta ttc ttd tte ttf ttm tto ttr ttt