-al -er -ic a-a a-b a-c a-i a-t aaa aab aac aae aag aai aal aan aar aat ab- aba abb abc abe abg abi abl abn abr abt ac- aca acb acc ace acg aci acl acn acr act aea aeb aec aee aeg aei ael aen aer aet ag- aga agb agc age agg agi agl agn agr agt ai- aia aib aic aie aig aii ail ain air ait al- ala alb alc ale alg ali all aln alr alt an- ana anb anc ane ang ani anl ann anr ant ar- ara arb arc are arg ari arl arn arr art at- ata atb atc ate atg ati atl atn atr att baa bab bac bae bag bai bal ban bar bat bba bbb bbc bbe bbg bbi bbl bbn bbr bbt bca bcb bcc bce bcg bci bcl bcn bcr bct be- bea beb bec bee beg bei bel ben ber bet bga bgb bgc bge bgg bgi bgl bgn bgr bgt bi- bia bib bic bie big bii bil bin bir bit bla blb blc ble blg bli bll bln blr blt bna bnb bnc bne bng bni bnl bnn bnr bnt bra brb bre brg bri brl brn brr brt bta btb btc bte btg bti btl btn btr btt c-- caa cab cac cae cag cai cal can car cat cba cbb cbc cbe cbg cbi cbl cbn cbr cbt cca ccb ccc cce ccg cci ccl ccn ccr cct ce- cea ceb cec cee ceg cei cel cen cer cet cga cgb cgc cge cgg cgi cgl cgn cgr cgt ci- cia cib cic cie cig cii cil cin cir cit cl- cla clb clc cle clg cli cll cln clr clt cn- cna cnb cnc cne cng cni cnl cnn cnr cnt cra crb crc cre crg cri crl crn crr crt cta ctb ctc cte ctg cti ctl ctn ctr ctt eaa eab eac eae eag eai eal ean ear eat eba ebb ebc ebe ebg ebi ebl ebn ebr ebt ec- eca ecb ecc ece ecg eci ecl ecn ecr ect eea eeb eec eee eeg eel een eer eet ega egb egc ege egg egi egl egn egr egt eia eib eic eie eig eii eil ein eir eit ela elb elc ele elg eli ell eln elr elt en- ena enb enc ene eng eni enl enn enr ent era erb erc ere erg eri erl ern err ert eta etb etc ete etg eti etl etn etr ett gaa gab gac gae gag gai gal gan gar gat gba gbc gbe gbg gbi gbl gbn gbr gbt gca gcb gcc gce gcg gci gcl gcn gcr gct ge- gea geb gec gee geg gei gel gen ger get gga ggb ggc ggg ggi ggn ggr ggt gia gib gic gie gig gii gil gin gir git gla glb glc gle glg gli gll gln glr glt gna gnb gnc gne gni gnl gnn gnr gnt gra grb grc gre grg gri grl grn grr grt gta gtb gtc gte gtg gti gtl gtn gtr gtt ia- iaa iab iac iae iag iai ial ian iar iat iba ibb ibc ibe ibg ibi ibl ibn ibr ibt ica icb icc ice icg ici icl icn icr ict ie- iea iec iee ieg iei iel ien ier iet iga igb igc ige igg igi igl ign igr igt iia iib iic iie iii iil iin iir iit il- ila ilb ilc ile ilg ili ill iln ilr ilt in- ina inb inc ine ing ini inl inn inr int ir- ira irb irc ire irg iri irl irn irr irt ita itb itc ite itg iti itl itn itt la- laa lab lac lae lag lai lal lan lar lat lba lbb lbc lbe lbg lbi lbl lbr lbt lca lcb lcc lce lcg lci lcl lcn lcr lct lea leb lec lee leg lei lel len ler let lga lgb lgc lge lgg lgi lgl lgn lgr lgt lia lib lic lie lig lii lil lin lir lit lla llb llc lle llg lli lll lln llr llt lna lnb lnc lne lng lni lnl lnn lnr lnt lra lrb lrc lrg lri lrn lrr lrt lta ltb ltc lte ltg lti ltl ltr ltt n-i naa nab nac nae nag nai nal nan nar nat nba nbb nbc nbe nbg nbi nbl nbn nbr nbt nca ncb ncc nce ncg nci ncl ncn ncr nct ne- nea neb nec nee neg nei nel nen ner net nga ngb ngc nge ngg ngi ngl ngn ngt nia nib nic nie nig nii nil nin nir nit nla nlb nlc nle nlg nli nll nln nlr nlt nna nnb nnc nne nng nni nnl nnn nnt nra nrb nrc nre nrg nri nrl nrn nrr nrt nta ntb ntc nte ntg nti ntn ntr ntt ra- raa rab rac rae rag rai ral ran rar rat rba rbb rbc rbe rbg rbi rbl rbn rbr rbt rca rcb rcc rce rcg rci rcl rcn rcr rct re- rea reb rec ree reg rei rel ren rer ret rga rgb rgc rge rgg rgi rgn rgr rgt ria rib ric rie rig rii ril rin rir rit rla rlc rle rlg rli rll rln rlr rlt rna rnb rnc rng rni rnn rnr rnt rra rrb rrc rrg rri rrl rrn rrr rrt rta rtb rtc rte rtg rti rtl rtn rtr rtt taa tab tac tae tag tai tal tan tar tat tba tbb tbc tbe tbg tbi tbl tbn tbr tbt tca tcb tcc tce tcg tci tcl tcn tcr tct te- tea teb tec tee teg tei tel ten ter tet tga tgb tgc tge tgg tgi tgl tgn tgr tgt tia tib tic tie tig tii til tin tir tit tla tlc tle tlg tli tll tln tlr tlt tna tnb tnc tne tng tni tnl tnn tnr tnt tra trb trc tre trg