a-a a-c a-t aaa aac aad aae aam aao aap aas aat ac- aca acc acd ace acm aco acp acs act ad- ada adc add ade adm ado adp ads adt aea aec aed aee aem aeo aep aes aet ama amc amd ame amm amo amp ams amt aoa aoc aod aoe aom aoo aop aos aot ap- apa apc apd ape apm apo app aps apt as- asa asc asd ase asm aso asp ass ast at- ata atc atd ate atm ato atp ats att c-- caa cac cad cae cam cao cap cas cat cca ccc ccd cce ccm cco ccp ccs cct cda cdc cdd cde cdm cdo cdp cds cdt ce- cea cec ced cee cem ceo cep ces cet cma cmc cmd cme cmm cmo cmp cms cmt co- coa coc cod coe com coo cop cos cot cpa cpc cpd cpe cpm cpo cpp cps cpt csa csc csd cse csm cso csp css cst cta ctc ctd cte ctm cto ctp cts ctt daa dac dad dae dam dao dap das dat dca dcc dcd dce dcm dco dcp dcs dct dda ddc ddd dde ddm ddo ddp dds ddt de- dea dec ded dee dem deo dep des det dma dmc dmd dme dmm dmo dmp dms dmt doa doc dod doe dom doo dop dos dot dpa dpc dpd dpe dpm dpo dpp dps dpt dsa dsc dsd dse dsm dso dsp dss dst dta dtc dtd dte dtm dto dtp dts dtt eaa eac ead eae eam eao eap eas eat ec- eca ecc ecd ece ecm eco ecs ect ed- eda edc edd ede edm edo edp eds edt eea eec eed eee eem eeo eep ees eet em- ema emc emd eme emm emo emp ems emt eo- eoa eoc eod eoe eom eoo eop eos eot ep- epa epc epd epe epm epo epp eps ept es- esa esc esd ese esm eso esp ess est eta etc etd ete etm eto etp ets ett m-o maa mac mad mae mam mao map mas mat mc- mca mcc mcd mce mcm mco mcp mcs mct mda mdc mdd mde mdm mdo mdp mds mdt mea mec med mee mem meo mep mes met mma mmc mmd mme mmm mmo mmp mms mmt moa moc mod moe mom moo mop mos mot mpa mpc mpd mpe mpm mpo mpp mps mpt msa msc msd mse msm mso msp mss mst mta mtc mtd mte mtm mto mtp mts mtt oaa oac oad oae oam oao oap oas oat oc- oca occ ocd ocm oco ocp ocs oct oda odc odd ode odm odo odp ods odt oea oec oed oee oem oeo oep oes oet om- oma omc omd ome omm omo omp oms omt oo- ooa ooc ood oom ooo oop oos oot op- opa opc opd ope opm opo opp ops opt os- osa osc osd ose osm oso osp oss ost ot- ota otc otd ote otm oto otp ots ott p-p paa pac pad pae pam pao pap pas pat pca pcc pcd pce pcm pco pcp pcs pct pda pdc pdd pde pdm pdo pdp pds pdt pea pec ped pee pem peo pep pes pet pma pmc pmd pme pmm pmo pmp pms pmt poa poc pod poe pom poo pop pos pot ppa ppc ppd ppe ppm ppo ppp pps ppt ps- psa psc psd pse psm pso psp pss pst pt- pta ptc ptd pte ptm pto ptp pts ptt saa sac sad sae sam sao sap sas sat sca scc scd sce scm sco scp scs sct sda sdc sdd sde sdm sdo sdp sds sdt se- sea sec sed see sem seo sep ses set sma smc smd sme smm smo smp sms smt soa soc sod soe som soo sop sos sot spa spc spd spe spm spo spp sps spt ss- ssa ssc ssd sse ssm sso ssp sss sst sta stc std ste stm sto stp sts stt taa tac tad tae tam tao tap tas tat tca tcc tcd tce tcm tco tcp tcs tct tda tdc tdd tde tdm tdo tdp tds tdt te- tea tec ted tee tem teo tep tes tet tma tmc tmd tme tmm tmo tmp tms tmt to- toa toc tod toe tom too top tos tot tpa tpc tpd tpe tpm tpo tpp tps tpt tsa tsc tsd tse tsm tso tsp tss tst tta ttc ttd tte ttm tto ttp tts ttt