-al -ic a-a a-b a-c a-i a-t aaa aab aac aae aaf aag aai aal aan aat ab- aba abb abc abe abf abg abi abl abn abt ac- aca acb acc ace acf acg aci acl acn act aea aeb aec aee aef aeg aei ael aen aet af- afa afb afc afe aff afg afi afl afn aft ag- aga agb agc age agf agg agi agl agn agt ai- aia aib aic aie aif aig aii ail ain ait al- ala alb alc ale alf alg ali all aln alt an- ana anb anc ane anf ang ani anl ann ant at- ata atb atc ate atf atg ati atl atn att baa bab bac bae baf bag bai bal ban bat bba bbb bbc bbe bbf bbg bbi bbl bbn bbt bca bcb bcc bce bcf bcg bci bcl bcn bct be- bea beb bec bee bef beg bei bel ben bet bfa bfb bfc bfe bff bfg bfi bfl bfn bft bga bgb bgc bge bgf bgg bgi bgl bgn bgt bi- bia bib bic bie bif big bii bil bin bit bla blb blc ble blf blg bli bll bln blt bna bnb bnc bne bnf bng bni bnl bnn bnt bta btb btc bte btf btg bti btl btn btt c-- caa cab cac cae caf cag cai cal can cat cba cbb cbc cbe cbf cbg cbi cbl cbn cbt cca ccb ccc cce ccf ccg cci ccl ccn cct ce- cea ceb cec cee cef ceg cei cel cen cet cfa cfb cfc cfe cff cfg cfi cfl cfn cft cga cgb cgc cge cgg cgi cgl cgn cgt ci- cia cib cic cie cif cig cii cil cin cit cl- cla clb clc cle clf clg cli cll cln clt cn- cna cnb cnc cne cnf cng cni cnl cnn cnt cta ctb ctc cte ctf ctg cti ctl ctn ctt eaa eab eac eae eaf eag eai eal ean eat eba ebb ebc ebe ebf ebg ebi ebl ebn ebt ec- eca ecb ecc ece ecf ecg eci ecl ecn ect eea eeb eec eee eef eeg eel een eet ef- efa efb efc efe eff efg efi efl eft ega egb egc ege egf egg egi egl egn egt eia eib eic eie eif eig eii eil ein eit ela elb elc ele elf elg eli ell eln elt en- ena enb enc ene enf eng eni enl enn ent eta etb etc ete etf etg eti etl etn ett faa fab fac fae faf fag fai fal fan fat fba fbb fbc fbe fbf fbg fbi fbl fbn fbt fca fcb fcc fce fcf fcg fci fcl fcn fct fea feb fec fee fef feg fei fel fen fet ffa ffc ffe fff ffg ffi ffl ffn fft fga fgb fgc fge fgf fgg fgi fgl fgn fgt fia fib fic fie fif fig fii fil fin fit fla flb flc fle flf flg fli fll fln flt fna fnb fnc fne fnf fng fni fnl fnn fnt fta ftb ftc fte ftf ftg fti ftl ftn ftt gaa gab gac gae gaf gag gai gal gan gat gba gbc gbe gbf gbg gbi gbl gbn gbt gca gcb gcc gce gcf gcg gci gcl gcn gct ge- gea geb gec gee gef geg gei gel gen get gfa gfb gfc gfe gff gfi gfl gft gga ggb ggc ggg ggi ggn ggt gia gib gic gie gif gig gii gil gin git gla glb glc gle glf glg gli gll gln glt gna gnb gnc gne gnf gni gnl gnn gnt gta gtb gtc gte gtf gtg gti gtl gtn gtt i-f ia- iaa iab iac iae iaf iag iai ial ian iat iba ibb ibc ibe ibf ibg ibi ibl ibn ibt ica icb icc ice icf icg ici icl icn ict ie- iea iec iee ief ieg iei iel ien iet ifa ifb ifc ife iff ifg ifi ifl ifn ift iga igb igc ige igf igg igi igl ign igt iia iib iic iie iif iii iil iin iit il- ila ilb ilc ile ilf ilg ili ill iln ilt in- ina inb inc ine inf ing ini inl inn int ita itb itc ite itf itg iti itl itn itt la- laa lab lac lae laf lag lai lal lan lat lba lbb lbc lbe lbf lbg lbi lbl lbt lca lcb lcc lce lcf lcg lci lcl lcn lct lea leb lec lee lef leg lei lel len let lfa lfb lfc lfe lff lfg lfi lfl lfn lft lga lgb lgc lge lgf lgg lgi lgl lgn lgt lia lib lic lie lif lig lii lil lin lit lla llb llc lle llf llg lli lll lln llt lna lnb lnc lne lng lni lnl lnn lnt lta ltb ltc lte ltf ltg lti ltl ltt n-i naa nab nac nae naf nag nai nal nan nat nba nbb nbc nbe nbf nbg nbi nbl nbn nbt nca ncb ncc nce ncf ncg nci ncl ncn nct ne- nea neb nec nee nef neg nei nel nen net nfa nfb nfc nfe nff nfi nfl nfn nft nga ngb ngc nge ngf ngg ngi ngl ngn ngt nia nib nic nie nif nig nii nil nin nit nla nlb nlc nle nlf nlg nli nll nln nlt nna nnb nnc nne nnf nng nni nnl nnn nnt nta ntb ntc nte ntf ntg nti ntn ntt taa tab tac tae taf tag tai tal tan tat tba tbb tbc tbe tbf tbg tbi tbl tbn tbt tca tcb tcc tce tcf tcg tci tcl tcn tct te- tea teb tec tee tef teg tei tel ten tet tfa tfb tfc tfe tff tfg tfi tfl tfn tft tga tgb tgc tge tgf tgg tgi tgl tgn tgt tia tib tic tie tif tig tii til tin tit tla tlc tle tlf tlg tli tll tln tlt tna tnb tnc tne