a-a a-c a-t aaa aac aad aae aaf aam aan aas aat ac- aca acc acd ace acf acm acn acs act ad- ada adc add ade adf adm adn ads adt aea aec aed aee aef aem aen aes aet af- afa afc afd afe aff afm afn afs aft ama amc amd ame amf amm amn ams amt an- ana anc and ane anf anm ann ans ant as- asa asc asd ase asf asm asn ass ast at- ata atc atd ate atf atm atn ats att c-- caa cac cad cae caf cam can cas cat cca ccc ccd cce ccf ccm ccn ccs cct cda cdc cdd cde cdf cdm cdn cds cdt ce- cea cec ced cee cef cem cen ces cet cfa cfc cfd cfe cff cfm cfn cfs cft cma cmc cmd cme cmf cmm cmn cms cmt cn- cna cnc cnd cne cnf cnm cnn cns cnt csa csc csd cse csf csm csn css cst cta ctc ctd cte ctf ctm ctn cts ctt daa dac dad dae daf dam dan das dat dca dcc dcd dce dcf dcm dcn dcs dct dda ddc ddd dde ddf ddm ddn dds ddt de- dea dec ded dee def dem den des det dfa dfc dfd dfe dff dfm dfn dfs dft dma dmc dmd dme dmf dmm dmn dms dmt dna dnc dnd dne dnf dnm dnn dns dnt dsa dsc dsd dse dsf dsm dsn dss dst dta dtc dtd dte dtf dtm dtn dts dtt eaa eac ead eae eaf eam ean eas eat ec- eca ecc ecd ece ecf ecm ecn ecs ect ed- eda edc edd ede edf edm edn eds edt eea eec eed eee eef eem een ees eet ef- efa efc efd efe eff efm efs eft em- ema emc emd eme emf emm emn ems emt en- ena enc end ene enf enm enn ens ent es- esa esc esd ese esf esm esn ess est eta etc etd ete etf etm etn ets ett faa fac fad fae faf fam fan fas fat fca fcc fcd fce fcf fcm fcn fcs fct fda fdc fdd fde fdf fdm fdn fds fdt fea fec fed fee fef fem fen fes fet ffa ffc ffd ffe fff ffm ffn ffs fft fma fmc fmd fme fmf fmm fmn fms fmt fna fnc fnd fne fnf fnm fnn fns fnt fsa fsc fsd fse fsf fsm fsn fss fst fta ftc ftd fte ftf ftm ftn fts ftt m-f maa mac mad mae maf mam man mas mat mc- mca mcc mcd mce mcf mcm mcn mcs mct mda mdc mdd mde mdf mdm mdn mds mdt mea mec med mee mef mem men mes met mfa mfc mfd mfe mff mfm mfn mfs mft mma mmc mmd mme mmf mmm mmn mms mmt mna mnc mne mnf mnm mnn mns mnt msa msc msd mse msf msm msn mss mst mta mtc mtd mte mtf mtm mtn mts mtt naa nac nad nae naf nam nan nas nat nca ncc ncd nce ncf ncm ncn ncs nct nda ndc ndd nde ndf ndm ndn nds ndt ne- nea nec ned nee nef nem nen nes net nfa nfc nfd nfe nff nfn nfs nft nma nmc nmd nme nmm nmn nms nmt nna nnc nne nnf nnm nnn nns nnt nsa nsc nsd nse nsf nsm nsn nss nst nta ntc ntd nte ntf ntm ntn nts ntt saa sac sad sae saf sam san sas sat sca scc scd sce scf scm scn scs sct sda sdc sdd sde sdf sdm sdn sds sdt se- sea sec sed see sef sem sen ses set sfa sfc sfd sfe sff sfm sfn sfs sft sma smc smd sme smf smm smn sms smt sna snc snd sne snf snm snn sns snt ss- ssa ssc ssd sse ssf ssm ssn sss sst sta stc std ste stf stm stn sts stt taa tac tad tae taf tam tan tas tat tca tcc tcd tce tcf tcm tcn tcs tct tda tdc tdd tde tdf tdm tdn tds tdt te- tea tec ted tee tef tem ten tes tet tfa tfc tfd tfe tff tfm tfn tfs tft tma tmc tmd tme tmf tmm tmn tms tmt tna tnc tnd tne tnf tnm tnn tns tnt tsa tsc tsd tse tsf tsm tsn tss tst tta ttc ttd tte ttf ttm ttn tts ttt