a-a a-c a-t aaa aac aae aam aan aap aat ac- aca acc ace acm acn acp act aea aec aee aem aen aep aet ama amc ame amm amn amp amt an- ana anc ane anm ann anp ant ap- apa apc ape apm apn app apt at- ata atc ate atm atn atp att c-- caa cac cae cam can cap cat cca ccc cce ccm ccn ccp cct ce- cea cec cee cem cen cep cet cma cmc cme cmm cmn cmp cmt cn- cna cnc cne cnm cnn cnp cnt cpa cpc cpe cpm cpn cpp cpt cta ctc cte ctm ctn ctp ctt eaa eac eae eam ean eap eat ec- eca ecc ece ecm ecn ect eea eec eee eem een eep eet em- ema emc eme emm emn emp emt en- ena enc ene enm enn enp ent ep- epa epc epe epm epn epp ept eta etc ete etm etn etp ett maa mac mae mam man map mat mc- mca mcc mce mcm mcn mcp mct mea mec mee mem men mep met mma mmc mme mmm mmn mmp mmt mna mnc mne mnm mnn mnp mnt mpa mpc mpe mpm mpn mpp mpt mta mtc mte mtm mtn mtp mtt naa nac nae nam nan nap nat nca ncc nce ncm ncn ncp nct ne- nea nec nee nem nen nep net nma nmc nme nmm nmn nmp nmt nna nnc nne nnm nnn nnp nnt npa npc npe npm npn npp npt nta ntc nte ntm ntn ntp ntt p-p paa pac pae pam pan pap pat pca pcc pce pcm pcn pcp pct pea pec pee pem pen pep pet pma pmc pme pmm pmn pmp pmt pn- pna pnc pne pnm pnn pnp pnt ppa ppc ppe ppm ppn ppp ppt pt- pta ptc pte ptm ptn ptp ptt taa tac tae tam tan tap tat tca tcc tce tcm tcn tcp tct te- tea tec tee tem ten tep tet tma tmc tme tmm tmn tmp tmt tna tnc tne tnm tnn tnp tnt tpa tpc tpe tpm tpn tpp tpt tta ttc tte ttm ttn ttp ttt