a-a a-c a-t aaa aac aad aae aam aan aas aat ac- aca acc acd ace acm acn acs act ad- ada adc add ade adm adn ads adt aea aec aed aee aem aen aes aet ama amc amd ame amm amn ams amt an- ana anc and ane anm ann ans ant as- asa asc asd ase asm asn ass ast at- ata atc atd ate atm atn ats att c-- caa cac cad cae cam can cas cat cca ccc ccd cce ccm ccn ccs cct cda cdc cdd cde cdm cdn cds cdt ce- cea cec ced cee cem cen ces cet cma cmc cmd cme cmm cmn cms cmt cn- cna cnc cnd cne cnm cnn cns cnt csa csc csd cse csm csn css cst cta ctc ctd cte ctm ctn cts ctt daa dac dad dae dam dan das dat dca dcc dcd dce dcm dcn dcs dct dda ddc ddd dde ddm ddn dds ddt de- dea dec ded dee dem den des det dma dmc dmd dme dmm dmn dms dmt dna dnc dnd dne dnm dnn dns dnt dsa dsc dsd dse dsm dsn dss dst dta dtc dtd dte dtm dtn dts dtt eaa eac ead eae eam ean eas eat ec- eca ecc ecd ece ecm ecn ecs ect ed- eda edc edd ede edm edn eds edt eea eec eed eee eem een ees eet em- ema emc emd eme emm emn ems emt en- ena enc end ene enm enn ens ent es- esa esc esd ese esm esn ess est eta etc etd ete etm etn ets ett maa mac mad mae mam man mas mat mc- mca mcc mcd mce mcm mcn mcs mct mda mdc mdd mde mdm mdn mds mdt mea mec med mee mem men mes met mma mmc mmd mme mmm mmn mms mmt mna mnc mne mnm mnn mns mnt msa msc msd mse msm msn mss mst mta mtc mtd mte mtm mtn mts mtt naa nac nad nae nam nan nas nat nca ncc ncd nce ncm ncn ncs nct nda ndc ndd nde ndm ndn nds ndt ne- nea nec ned nee nem nen nes net nma nmc nmd nme nmm nmn nms nmt nna nnc nne nnm nnn nns nnt nsa nsc nsd nse nsm nsn nss nst nta ntc ntd nte ntm ntn nts ntt saa sac sad sae sam san sas sat sca scc scd sce scm scn scs sct sda sdc sdd sde sdm sdn sds sdt se- sea sec sed see sem sen ses set sma smc smd sme smm smn sms smt sna snc snd sne snm snn sns snt ss- ssa ssc ssd sse ssm ssn sss sst sta stc std ste stm stn sts stt taa tac tad tae tam tan tas tat tca tcc tcd tce tcm tcn tcs tct tda tdc tdd tde tdm tdn tds tdt te- tea tec ted tee tem ten tes tet tma tmc tmd tme tmm tmn tms tmt tna tnc tnd tne tnm tnn tns tnt tsa tsc tsd tse tsm tsn tss tst tta ttc ttd tte ttm ttn tts ttt