a-a a-c a-t aaa aac aae aam aao aat aav ac- aca acc ace acm aco act acv aea aec aee aem aeo aet aev ama amc ame amm amo amt amv aoa aoc aoe aom aoo aot aov at- ata atc ate atm ato att atv av- ava avc ave avm avo avt c-- caa cac cae cam cao cat cav cca ccc cce ccm cco cct ccv ce- cea cec cee cem ceo cet cev cma cmc cme cmm cmo cmt cmv co- coa coc coe com coo cot cov cta ctc cte ctm cto ctt ctv cva cvc cve cvm cvo cvt cvv eaa eac eae eam eao eat eav ec- eca ecc ece ecm eco ect ecv eea eec eee eem eeo eet eev em- ema emc eme emm emo emt emv eo- eoa eoc eoe eom eoo eot eta etc ete etm eto ett etv eva evc eve evm evo evt evv m-o m-v maa mac mae mam mao mat mav mc- mca mcc mce mcm mco mct mcv mea mec mee mem meo met mev mma mmc mme mmm mmo mmt mmv moa moc moe mom moo mot mov mta mtc mte mtm mto mtt mtv mva mvc mve mvm mvo mvt mvv oaa oac oae oam oao oat oav oc- oca occ ocm oco oct ocv oea oec oee oem oeo oet om- oma omc ome omm omo omt omv oo- ooa ooc oom ooo oot oov ot- ota otc ote otm oto ott otv ov- ova ovc ove ovo ovv taa tac tae tam tao tat tav tca tcc tce tcm tco tct tcv te- tea tec tee tem teo tet tev tma tmc tme tmm tmo tmt tmv to- toa toc toe tom too tot tov tta ttc tte ttm tto ttt ttv tva tvc tve tvm tvo tvt v-a v-e vaa vac vae vam vao vat vav vca vcc vce vcm vco vct vea vec vee vem veo vet vm- vma vmc vmm vmo vmt voa voc voe vom voo vot vov vta vtc vte vtm vto vtt vtv vva vvc vvm vvo vvt vvv