a-a a-b a-c a-t aaa aab aac aag aao aat aau aav ab- aba abb abc abg abo abt abu abv ac- aca acb acc acg aco act acu acv ag- aga agb agc agg ago agt agu agv aoa aob aoc aog aoo aot aou aov at- ata atb atc atg ato att atu atv au- aua aub auc aug auo aut auv av- ava avb avc avg avo avt avu b-u baa bab bac bag bao bat bau bav bba bbb bbc bbg bbo bbt bbu bca bcb bcc bcg bco bct bcu bcv bga bgb bgc bgg bgo bgt bgu bgv boa bob boc bog boo bot bou bov bta btb btc btg bto btt btu btv bua bub buc bug buo but buu bva bvb bvc bvg bvo bvt bvu bvv c-- caa cab cac cag cao cat cau cav cba cbb cbc cbg cbo cbt cbu cbv cca ccb ccc ccg cco cct ccu ccv cga cgb cgc cgg cgo cgt cgu cgv co- coa cob coc cog coo cot cou cov cta ctb ctc ctg cto ctt ctu ctv cua cub cuc cug cuo cut cuu cuv cva cvb cvc cvg cvo cvt cvu cvv gaa gab gac gag gao gat gau gav gba gbc gbg gbo gbt gbu gbv gca gcb gcc gcg gco gct gcu gga ggb ggc ggg ggo ggt ggu ggv goa gob goc gog goo got gou gov gta gtb gtc gtg gto gtt gtu gtv gu- gua gub guc gug guo gut guu guv gva gvb gvc gvg gvo gvt gvu oaa oab oac oag oao oat oau oav ob- oba obb obc obg obo obt obu obv oc- oca ocb occ ocg oco oct ocu ocv oga ogc ogg ogo ogt oo- ooa oob ooc oog ooo oot oov ot- ota otb otc otg oto ott otu otv ou- oua ouc ouo out ov- ova ovb ovc ovo ovv taa tab tac tag tao tat tau tav tba tbb tbc tbg tbo tbt tbu tbv tca tcb tcc tcg tco tct tcu tcv tga tgb tgc tgg tgo tgt tgu tgv to- toa tob toc tog too tot tou tov tta ttb ttc ttg tto ttt ttu ttv tua tub tuc tug tuo tut tuu tuv tva tvb tvc tvg tvo tvt tvu ua- uaa uab uac uag uao uat uau uav uba ubb ubc ubg ubo ubt ubu ubv uca ucb ucc ucg uco uct ucu ucv uga ugb ugc ugg ugo ugt ugu uoa uob uoc uog uoo uot uta utb utc uto utt utu utv uua uuc uug uut uuu uva uvb uvc uvo uvu uvv v-a vaa vab vac vag vao vat vau vav vba vbc vbg vbo vbv vca vcc vco vct vcu vga vgc vgg vgo vgt vgu voa vob voc vog voo vot vou vov vta vtb vtc vtg vto vtt vtu vtv vug vut vuv vva vvb vvc vvg vvo vvt vvv