a-a a-c a-t aaa aac aae aan aas aat aav ac- aca acc ace acn acs act acv aea aec aee aen aes aet aev an- ana anc ane ann ans ant anv as- asa asc ase asn ass ast asv at- ata atc ate atn ats att atv av- ava avc ave avn avs avt c-- caa cac cae can cas cat cav cca ccc cce ccn ccs cct ccv ce- cea cec cee cen ces cet cev cn- cna cnc cne cnn cns cnt cnv csa csc cse csn css cst csv cta ctc cte ctn cts ctt ctv cva cvc cve cvn cvs cvt cvv eaa eac eae ean eas eat eav ec- eca ecc ece ecn ecs ect ecv eea eec eee een ees eet eev en- ena enc ene enn ens ent env es- esa esc ese esn ess est esv eta etc ete etn ets ett etv eva evc eve evn evs evt evv naa nac nae nan nas nat nav nca ncc nce ncn ncs nct ncv ne- nea nec nee nen nes net nev nna nnc nne nnn nns nnt nnv nsa nsc nse nsn nss nst nsv nta ntc nte ntn nts ntt ntv nva nvc nve nvn nvt nvv saa sac sae san sas sat sav sca scc sce scn scs sct scv se- sea sec see sen ses set sev sna snc sne snn sns snt snv ss- ssa ssc sse ssn sss sst ssv sta stc ste stn sts stt stv sva svc sve svn svs svt svv taa tac tae tan tas tat tav tca tcc tce tcn tcs tct tcv te- tea tec tee ten tes tet tev tna tnc tne tnn tns tnt tsa tsc tse tsn tss tst tsv tta ttc tte ttn tts ttt ttv tva tvc tve tvn tvs tvt v-a v-e vaa vac vae van vas vat vav vca vcc vce vcn vcs vct vea vec vee ven ves vet vn- vna vns vnv vsa vsc vse vsn vss vst vsv vta vtc vte vts vtt vtv vva vvc vvs vvt vvv