a-a a-c a-t aaa aac aae aam aao aas aat aav ac- aca acc ace acm aco acs act acv aea aec aee aem aeo aes aet aev ama amc ame amm amo ams amt amv aoa aoc aoe aom aoo aos aot aov as- asa asc ase asm aso ass ast asv at- ata atc ate atm ato ats att atv av- ava avc ave avm avo avs avt c-- caa cac cae cam cao cas cat cav cca ccc cce ccm cco ccs cct ccv ce- cea cec cee cem ceo ces cet cev cma cmc cme cmm cmo cms cmt cmv co- coa coc coe com coo cos cot cov csa csc cse csm cso css cst csv cta ctc cte ctm cto cts ctt ctv cva cvc cve cvm cvo cvs cvt cvv eaa eac eae eam eao eas eat eav ec- eca ecc ece ecm eco ecs ect ecv eea eec eee eem eeo ees eet eev em- ema emc eme emm emo ems emt emv eo- eoa eoc eoe eom eoo eos eot es- esa esc ese esm eso ess est esv eta etc ete etm eto ets ett etv eva evc eve evm evo evs evt evv m-o m-v maa mac mae mam mao mas mat mav mc- mca mcc mce mcm mco mcs mct mcv mea mec mee mem meo mes met mev mma mmc mme mmm mmo mms mmt mmv moa moc moe mom moo mos mot mov msa msc mse msm mso mss mst msv mta mtc mte mtm mto mts mtt mtv mva mvc mve mvm mvo mvs mvt mvv oaa oac oae oam oao oas oat oav oc- oca occ ocm oco ocs oct ocv oea oec oee oem oeo oes oet om- oma omc ome omm omo oms omt omv oo- ooa ooc oom ooo oos oot oov os- osa osc ose osm oso oss ost osv ot- ota otc ote otm oto ots ott otv ov- ova ovc ove ovo ovs ovv saa sac sae sam sao sas sat sav sca scc sce scm sco scs sct scv se- sea sec see sem seo ses set sev sma smc sme smm smo sms smt smv soa soc soe som soo sos sot sov ss- ssa ssc sse ssm sso sss sst ssv sta stc ste stm sto sts stt stv sva svc sve svm svo svs svt svv taa tac tae tam tao tas tat tav tca tcc tce tcm tco tcs tct tcv te- tea tec tee tem teo tes tet tev tma tmc tme tmm tmo tms tmt tmv to- toa toc toe tom too tos tot tov tsa tsc tse tsm tso tss tst tsv tta ttc tte ttm tto tts ttt ttv tva tvc tve tvm tvo tvs tvt v-a v-e vaa vac vae vam vao vas vat vav vca vcc vce vcm vco vcs vct vea vec vee vem veo ves vet vm- vma vmc vmm vmo vmt voa voc voe vom voo vos vot vov vsa vsc vse vsm vso vss vst vsv vta vtc vte vtm vto vts vtt vtv vva vvc vvm vvo vvs vvt vvv