-al -ic a-a a-b a-c a-i a-t aaa aab aac aae aag aai aal aan aat ab- aba abb abc abe abg abi abl abn abt ac- aca acb acc ace acg aci acl acn act aea aeb aec aee aeg aei ael aen aet ag- aga agb agc age agg agi agl agn agt ai- aia aib aic aie aig aii ail ain ait al- ala alb alc ale alg ali all aln alt an- ana anb anc ane ang ani anl ann ant at- ata atb atc ate atg ati atl atn att baa bab bac bae bag bai bal ban bat bba bbb bbc bbe bbg bbi bbl bbn bbt bca bcb bcc bce bcg bci bcl bcn bct be- bea beb bec bee beg bei bel ben bet bga bgb bgc bge bgg bgi bgl bgn bgt bi- bia bib bic bie big bii bil bin bit bla blb blc ble blg bli bll bln blt bna bnb bnc bne bng bni bnl bnn bnt bta btb btc bte btg bti btl btn btt c-- caa cab cac cae cag cai cal can cat cba cbb cbc cbe cbg cbi cbl cbn cbt cca ccb ccc cce ccg cci ccl ccn cct ce- cea ceb cec cee ceg cei cel cen cet cga cgb cgc cge cgg cgi cgl cgn cgt ci- cia cib cic cie cig cii cil cin cit cl- cla clb clc cle clg cli cll cln clt cn- cna cnb cnc cne cng cni cnl cnn cnt cta ctb ctc cte ctg cti ctl ctn ctt eaa eab eac eae eag eai eal ean eat eba ebb ebc ebe ebg ebi ebl ebn ebt ec- eca ecb ecc ece ecg eci ecl ecn ect eea eeb eec eee eeg eel een eet ega egb egc ege egg egi egl egn egt eia eib eic eie eig eii eil ein eit ela elb elc ele elg eli ell eln elt en- ena enb enc ene eng eni enl enn ent eta etb etc ete etg eti etl etn ett gaa gab gac gae gag gai gal gan gat gba gbc gbe gbg gbi gbl gbn gbt gca gcb gcc gce gcg gci gcl gcn gct ge- gea geb gec gee geg gei gel gen get gga ggb ggc ggg ggi ggn ggt gia gib gic gie gig gii gil gin git gla glb glc gle glg gli gll gln glt gna gnb gnc gne gni gnl gnn gnt gta gtb gtc gte gtg gti gtl gtn gtt ia- iaa iab iac iae iag iai ial ian iat iba ibb ibc ibe ibg ibi ibl ibn ibt ica icb icc ice icg ici icl icn ict ie- iea iec iee ieg iei iel ien iet iga igb igc ige igg igi igl ign igt iia iib iic iie iii iil iin iit il- ila ilb ilc ile ilg ili ill iln ilt in- ina inb inc ine ing ini inl inn int ita itb itc ite itg iti itl itn itt la- laa lab lac lae lag lai lal lan lat lba lbb lbc lbe lbg lbi lbl lbt lca lcb lcc lce lcg lci lcl lcn lct lea leb lec lee leg lei lel len let lga lgb lgc lge lgg lgi lgl lgn lgt lia lib lic lie lig lii lil lin lit lla llb llc lle llg lli lll lln llt lna lnb lnc lne lng lni lnl lnn lnt lta ltb ltc lte ltg lti ltl ltt n-i naa nab nac nae nag nai nal nan nat nba nbb nbc nbe nbg nbi nbl nbn nbt nca ncb ncc nce ncg nci ncl ncn nct ne- nea neb nec nee neg nei nel nen net nga ngb ngc nge ngg ngi ngl ngn ngt nia nib nic nie nig nii nil nin nit nla nlb nlc nle nlg nli nll nln nlt nna nnb nnc nne nng nni nnl nnn nnt nta ntb ntc nte ntg nti ntn ntt taa tab tac tae tag tai tal tan tat tba tbb tbc tbe tbg tbi tbl tbn tbt tca tcb tcc tce tcg tci tcl tcn tct te- tea teb tec tee teg tei tel ten tet tga tgb tgc tge tgg tgi tgl tgn tgt tia tib tic tie tig tii til tin tit tla tlc tle tlg tli tll tln tlt tna tnb tnc tne tng tni tnl tnn tnt tta ttb ttc tte ttg tti ttl ttn ttt