a-a a-c a-t aaa aac aad aae aan aat aav ac- aca acc acd ace acn act acv ad- ada adc add ade adn adt adv aea aec aed aee aen aet aev an- ana anc and ane ann ant anv at- ata atc atd ate atn att atv av- ava avc avd ave avn avt c-- caa cac cad cae can cat cav cca ccc ccd cce ccn cct ccv cda cdc cdd cde cdn cdt cdv ce- cea cec ced cee cen cet cev cn- cna cnc cnd cne cnn cnt cnv cta ctc ctd cte ctn ctt ctv cva cvc cvd cve cvn cvt cvv daa dac dad dae dan dat dav dca dcc dcd dce dcn dct dcv dda ddc ddd dde ddn ddt de- dea dec ded dee den det dev dna dnc dnd dne dnn dnt dta dtc dtd dte dtn dtt dtv dva dvc dvd dve dvn dvt eaa eac ead eae ean eat eav ec- eca ecc ecd ece ecn ect ecv ed- eda edc edd ede edn edt eea eec eed eee een eet eev en- ena enc end ene enn ent env eta etc etd ete etn ett etv eva evc evd eve evn evt evv naa nac nad nae nan nat nav nca ncc ncd nce ncn nct ncv nda ndc ndd nde ndn ndt ndv ne- nea nec ned nee nen net nev nna nnc nne nnn nnt nnv nta ntc ntd nte ntn ntt ntv nva nvc nvd nve nvn nvt nvv taa tac tad tae tan tat tav tca tcc tcd tce tcn tct tcv tda tdc tdd tde tdn tdt tdv te- tea tec ted tee ten tet tev tna tnc tnd tne tnn tnt tta ttc ttd tte ttn ttt ttv tva tvc tvd tve tvn tvt v-a v-e vaa vac vad vae van vat vav vca vcc vcd vce vcn vct vdc vdd vde vdt vdv vea vec ved vee ven vet vn- vna vnd vnv vta vtc vte vtt vtv vva vvc vvt vvv