a-a a-b a-c a-t aaa aab aac aae aag aam aao aat ab- aba abb abc abe abg abm abo abt ac- aca acb acc ace acg acm aco act aea aeb aec aee aeg aem aeo aet ag- aga agb agc age agg agm ago agt ama amb amc ame amg amm amo amt aoa aob aoc aoe aog aom aoo aot at- ata atb atc ate atg atm ato att baa bab bac bae bag bam bao bat bba bbb bbc bbe bbg bbm bbo bbt bca bcb bcc bce bcg bcm bco bct be- bea beb bec bee beg bem beo bet bga bgb bgc bge bgg bgm bgo bgt bma bmb bmc bme bmg bmm bmo bmt boa bob boc boe bog bom boo bot bta btb btc bte btg btm bto btt c-- caa cab cac cae cag cam cao cat cba cbb cbc cbe cbg cbm cbo cbt cca ccb ccc cce ccg ccm cco cct ce- cea ceb cec cee ceg cem ceo cet cga cgb cgc cge cgg cgm cgo cgt cma cmb cmc cme cmg cmm cmo cmt co- coa cob coc coe cog com coo cot cta ctb ctc cte ctg ctm cto ctt eaa eab eac eae eag eam eao eat eba ebb ebc ebe ebg ebm ebo ebt ec- eca ecb ecc ece ecg ecm eco ect eea eeb eec eee eeg eem eeo eet ega egb egc ege egg egm ego egt em- ema emb emc eme emg emm emo emt eo- eoa eob eoc eoe eog eom eoo eot eta etb etc ete etg etm eto ett gaa gab gac gae gag gam gao gat gba gbc gbe gbg gbm gbo gbt gca gcb gcc gce gcg gcm gco gct ge- gea geb gec gee geg gem geo get gga ggb ggc ggg ggm ggo ggt gma gmb gmc gme gmg gmm gmo gmt goa gob goc goe gog gom goo got gta gtb gtc gte gtg gtm gto gtt m-o maa mab mac mae mag mam mao mat mba mbb mbc mbe mbg mbm mbo mbt mc- mca mcb mcc mce mcg mcm mco mct mea meb mec mee meg mem meo met mga mgb mgc mge mgm mgo mgt mma mmb mmc mme mmg mmm mmo mmt moa mob moc moe mog mom moo mot mta mtb mtc mte mtg mtm mto mtt oaa oab oac oae oag oam oao oat ob- oba obb obc obe obg obm obo obt oc- oca ocb occ ocg ocm oco oct oea oeb oec oee oeg oem oeo oet oga ogc oge ogg ogo ogt om- oma omb omc ome omg omm omo omt oo- ooa oob ooc oog oom ooo oot ot- ota otb otc ote otg otm oto ott taa tab tac tae tag tam tao tat tba tbb tbc tbe tbg tbm tbo tbt tca tcb tcc tce tcg tcm tco tct te- tea teb tec tee teg tem teo tet tga tgb tgc tge tgg tgm tgo tgt tma tmb tmc tme tmg tmm tmo tmt to- toa tob toc toe tog tom too tot tta ttb ttc tte ttg ttm tto ttt