-al -th a-a a-b a-c a-t aaa aab aac aae aag aah aal aan aat ab- aba abb abc abe abg abh abl abn abt ac- aca acb acc ace acg ach acl acn act aea aeb aec aee aeg aeh ael aen aet ag- aga agb agc age agg agh agl agn agt aha ahb ahc ahe ahg ahh ahl ahn aht al- ala alb alc ale alg alh all aln alt an- ana anb anc ane ang anh anl ann ant at- ata atb atc ate atg ath atl atn att baa bab bac bae bag bah bal ban bat bba bbb bbc bbe bbg bbh bbl bbn bbt bca bcb bcc bce bcg bch bcl bcn bct be- bea beb bec bee beg beh bel ben bet bga bgb bgc bge bgg bgh bgl bgn bgt bha bhb bhc bhe bhg bhh bhl bht bla blb blc ble blg blh bll bln blt bna bnb bnc bne bng bnl bnn bnt bta btb btc bte btg bth btl btn btt c-- caa cab cac cae cag cah cal can cat cba cbb cbc cbe cbg cbh cbl cbn cbt cca ccb ccc cce ccg cch ccl ccn cct ce- cea ceb cec cee ceg ceh cel cen cet cga cgb cgc cge cgg cgh cgl cgn cgt ch- cha chb chc che chg chh chl chn cht cl- cla clb clc cle clg clh cll cln clt cn- cna cnb cnc cne cng cnh cnl cnn cnt cta ctb ctc cte ctg cth ctl ctn ctt eaa eab eac eae eag eah eal ean eat eba ebb ebc ebe ebg ebh ebl ebn ebt ec- eca ecb ecc ece ecg ech ecl ecn ect eea eeb eec eee eeg eel een eet ega egb egc ege egg egh egl egn egt eha ehb ehc ehe ehg ehh ehl ehn eht ela elb elc ele elg elh ell eln elt en- ena enb enc ene eng enh enl enn ent eta etb etc ete etg eth etl etn ett gaa gab gac gae gag gah gal gan gat gba gbc gbe gbg gbh gbl gbn gbt gca gcb gcc gce gcg gch gcl gcn gct ge- gea geb gec gee geg geh gel gen get gga ggb ggc ggg ggh ggn ggt gha ghb ghc ghe ghg ghh ghl ghn ght gla glb glc gle glg glh gll gln glt gna gnb gnc gne gnl gnn gnt gta gtb gtc gte gtg gth gtl gtn gtt haa hab hac hae hag hah hal han hat hba hbb hbc hbe hbg hbh hbl hbn hbt hca hcb hcc hce hcg hch hcl hcn hct he- hea heb hec hee heg heh hel hen het hga hgb hgc hge hgg hgh hgl hgn hgt hha hhb hhc hhe hhg hhh hhl hhn hht hla hlb hlc hle hlg hlh hll hln hlt hna hnb hnc hne hng hnh hnl hnn hnt hta htb htc hte htg hth htl htn htt la- laa lab lac lae lag lah lal lan lat lba lbb lbc lbe lbg lbh lbl lbt lca lcb lcc lce lcg lch lcl lcn lct lea leb lec lee leg leh lel len let lga lgb lgc lge lgg lgh lgl lgn lgt lha lhb lhc lhh lht lla llb llc lle llg lll lln llt lna lnb lnc lne lng lnh lnl lnn lnt lta ltb ltc lte ltg lth ltl ltt naa nab nac nae nag nah nal nan nat nba nbb nbc nbe nbg nbl nbn nbt nca ncb ncc nce ncg nch ncl ncn nct ne- nea neb nec nee neg neh nel nen net nga ngb ngc nge ngg ngh ngl ngn ngt nha nhb nhc nhe nhg nhh nhl nhn nht nla nlb nlc nle nlg nlh nll nln nlt nna nnb nnc nne nng nnh nnl nnn nnt nta ntb ntc nte ntg nth ntn ntt taa tab tac tae tag tah tal tan tat tba tbb tbc tbe tbg tbh tbl tbn tbt tca tcb tcc tce tcg tch tcl tcn tct te- tea teb tec tee teg teh tel ten tet tga tgb tgc tge tgg tgh tgl tgn tgt th- tha thb thc the thg thh thl thn tht tla tlc tle tlg tlh tll tln tlt tna tnb tnc tne tng tnh tnl tnn tnt tta ttb ttc tte ttg tth ttl ttn ttt