a-a a-c a-t aaa aac aae aam aan aao aat ac- aca acc ace acm acn aco act aea aec aee aem aen aeo aet ama amc ame amm amn amo amt an- ana anc ane anm ann ano ant aoa aoc aoe aom aon aoo aot at- ata atc ate atm atn ato att c-- caa cac cae cam can cao cat cca ccc cce ccm ccn cco cct ce- cea cec cee cem cen ceo cet cma cmc cme cmm cmn cmo cmt cn- cna cnc cne cnm cnn cno cnt co- coa coc coe com con coo cot cta ctc cte ctm ctn cto ctt eaa eac eae eam ean eao eat ec- eca ecc ece ecm ecn eco ect eea eec eee eem een eeo eet em- ema emc eme emm emn emo emt en- ena enc ene enm enn eno ent eo- eoa eoc eoe eom eon eoo eot eta etc ete etm etn eto ett m-o maa mac mae mam man mao mat mc- mca mcc mce mcm mcn mco mct mea mec mee mem men meo met mma mmc mme mmm mmn mmo mmt mna mnc mne mnm mnn mno mnt moa moc moe mom mon moo mot mta mtc mte mtm mtn mto mtt naa nac nae nam nan nao nat nca ncc nce ncm ncn nco nct ne- nea nec nee nem nen neo net nma nmc nme nmm nmn nmo nmt nna nnc nne nnm nnn nno nnt no- noa noc noe nom non noo not nta ntc nte ntm ntn nto ntt oaa oac oae oam oan oao oat oc- oca occ ocm ocn oco oct oea oec oee oem oen oeo oet om- oma omc ome omm omn omo omt on- ona onc one onn ono ont oo- ooa ooc oom oon ooo oot ot- ota otc ote otm otn oto ott taa tac tae tam tan tao tat tca tcc tce tcm tcn tco tct te- tea tec tee tem ten teo tet tma tmc tme tmm tmn tmo tmt tna tnc tne tnm tnn tno tnt to- toa toc toe tom ton too tot tta ttc tte ttm ttn tto ttt