-al -ic a-a a-b a-c a-i a-t aaa aab aac aag aai aal aan aat ab- aba abb abc abg abi abl abn abt ac- aca acb acc acg aci acl acn act ag- aga agb agc agg agi agl agn agt ai- aia aib aic aig aii ail ain ait al- ala alb alc alg ali all aln alt an- ana anb anc ang ani anl ann ant at- ata atb atc atg ati atl atn att baa bab bac bag bai bal ban bat bba bbb bbc bbg bbi bbl bbn bbt bca bcb bcc bcg bci bcl bcn bct bga bgb bgc bgg bgi bgl bgn bgt bi- bia bib bic big bii bil bin bit bla blb blc blg bli bll bln blt bna bnb bnc bng bni bnl bnn bnt bta btb btc btg bti btl btn btt c-- caa cab cac cag cai cal can cat cba cbb cbc cbg cbi cbl cbn cbt cca ccb ccc ccg cci ccl ccn cct cga cgb cgc cgg cgi cgl cgn cgt ci- cia cib cic cig cii cil cin cit cl- cla clb clc clg cli cll cln clt cn- cna cnb cnc cng cni cnl cnn cnt cta ctb ctc ctg cti ctl ctn ctt gaa gab gac gag gai gal gan gat gba gbc gbg gbi gbl gbn gbt gca gcb gcc gcg gci gcl gcn gct gga ggb ggc ggg ggi ggn ggt gia gib gic gig gii gil gin git gla glb glc glg gli gll gln glt gna gnb gnc gni gnl gnn gnt gta gtb gtc gtg gti gtl gtn gtt ia- iaa iab iac iag iai ial ian iat iba ibb ibc ibg ibi ibl ibn ibt ica icb icc icg ici icl icn ict iga igb igc igg igi igl ign igt iia iib iic iii iil iin iit il- ila ilb ilc ilg ili ill iln ilt in- ina inb inc ing ini inl inn int ita itb itc itg iti itl itn itt la- laa lab lac lag lai lal lan lat lba lbb lbc lbg lbi lbl lbt lca lcb lcc lcg lci lcl lcn lct lga lgb lgc lgg lgi lgl lgn lgt lia lib lic lig lii lil lin lit lla llb llc llg lli lll lln llt lna lnb lnc lng lni lnl lnn lnt lta ltb ltc ltg lti ltl ltt n-i naa nab nac nag nai nal nan nat nba nbb nbc nbg nbi nbl nbn nbt nca ncb ncc ncg nci ncl ncn nct nga ngb ngc ngg ngi ngl ngn ngt nia nib nic nig nii nil nin nit nla nlb nlc nlg nli nll nln nlt nna nnb nnc nng nni nnl nnn nnt nta ntb ntc ntg nti ntn ntt taa tab tac tag tai tal tan tat tba tbb tbc tbg tbi tbl tbn tbt tca tcb tcc tcg tci tcl tcn tct tga tgb tgc tgg tgi tgl tgn tgt tia tib tic tig tii til tin tit tla tlc tlg tli tll tln tlt tna tnb tnc tng tni tnl tnn tnt tta ttb ttc ttg tti ttl ttn ttt