a-a a-c a-t aaa aac aae aaf aam aao aap aat ac- aca acc ace acf acm aco acp act aea aec aee aef aem aeo aep aet af- afa afc afe aff afm afo afp aft ama amc ame amf amm amo amp amt aoa aoc aoe aof aom aoo aop aot ap- apa apc ape apf apm apo app apt at- ata atc ate atf atm ato atp att c-- caa cac cae caf cam cao cap cat cca ccc cce ccf ccm cco ccp cct ce- cea cec cee cef cem ceo cep cet cfa cfc cfe cff cfm cfo cfp cft cma cmc cme cmf cmm cmo cmp cmt co- coa coc coe cof com coo cop cot cpa cpc cpe cpf cpm cpo cpp cpt cta ctc cte ctf ctm cto ctp ctt eaa eac eae eaf eam eao eap eat ec- eca ecc ece ecf ecm eco ect eea eec eee eef eem eeo eep eet ef- efa efc efe eff efm efo efp eft em- ema emc eme emf emm emo emp emt eo- eoa eoc eoe eof eom eoo eop eot ep- epa epc epe epf epm epo epp ept eta etc ete etf etm eto etp ett faa fac fae faf fam fao fap fat fca fcc fce fcf fcm fco fcp fct fea fec fee fef fem feo fep fet ffa ffc ffe fff ffm ffo ffp fft fma fmc fme fmf fmm fmo fmp fmt foa foc foe fof fom foo fop fot fpa fpc fpe fpm fpo fpp fpt fta ftc fte ftf ftm fto ftp ftt m-f m-o maa mac mae maf mam mao map mat mc- mca mcc mce mcf mcm mco mcp mct mea mec mee mef mem meo mep met mfa mfc mfe mff mfm mfo mfp mft mma mmc mme mmf mmm mmo mmp mmt moa moc moe mof mom moo mop mot mpa mpc mpe mpf mpm mpo mpp mpt mta mtc mte mtf mtm mto mtp mtt oaa oac oae oaf oam oao oap oat oc- oca occ ocf ocm oco ocp oct oea oec oee oef oem oeo oep oet of- ofa ofc ofe off ofm ofo ofp oft om- oma omc ome omf omm omo omp omt oo- ooa ooc oof oom ooo oop oot op- opa opc ope opf opm opo opp opt ot- ota otc ote otf otm oto otp ott p-p paa pac pae paf pam pao pap pat pca pcc pce pcf pcm pco pcp pct pea pec pee pef pem peo pep pet pfa pfc pfe pff pfm pfo pfp pft pma pmc pme pmf pmm pmo pmp pmt poa poc poe pof pom poo pop pot ppa ppc ppe ppf ppm ppo ppp ppt pt- pta ptc pte ptf ptm pto ptp ptt taa tac tae taf tam tao tap tat tca tcc tce tcf tcm tco tcp tct te- tea tec tee tef tem teo tep tet tfa tfc tfe tff tfm tfo tfp tft tma tmc tme tmf tmm tmo tmp tmt to- toa toc toe tof tom too top tot tpa tpc tpe tpf tpm tpo tpp tpt tta ttc tte ttf ttm tto ttp ttt