-al -ic a-a a-c a-i a-t aaa aac aae aaf aag aai aal aan aat ac- aca acc ace acf acg aci acl acn act aea aec aee aef aeg aei ael aen aet af- afa afc afe aff afg afi afl afn aft ag- aga agc age agf agg agi agl agn agt ai- aia aic aie aif aig aii ail ain ait al- ala alc ale alf alg ali all aln alt an- ana anc ane anf ang ani anl ann ant at- ata atc ate atf atg ati atl atn att c-- caa cac cae caf cag cai cal can cat cca ccc cce ccf ccg cci ccl ccn cct ce- cea cec cee cef ceg cei cel cen cet cfa cfc cfe cff cfg cfi cfl cfn cft cga cgc cge cgg cgi cgl cgn cgt ci- cia cic cie cif cig cii cil cin cit cl- cla clc cle clf clg cli cll cln clt cn- cna cnc cne cnf cng cni cnl cnn cnt cta ctc cte ctf ctg cti ctl ctn ctt eaa eac eae eaf eag eai eal ean eat ec- eca ecc ece ecf ecg eci ecl ecn ect eea eec eee eef eeg eel een eet ef- efa efc efe eff efg efi efl eft ega egc ege egf egg egi egl egn egt eia eic eie eif eig eii eil ein eit ela elc ele elf elg eli ell eln elt en- ena enc ene enf eng eni enl enn ent eta etc ete etf etg eti etl etn ett faa fac fae faf fag fai fal fan fat fca fcc fce fcf fcg fci fcl fcn fct fea fec fee fef feg fei fel fen fet ffa ffc ffe fff ffg ffi ffl ffn fft fga fgc fge fgf fgg fgi fgl fgn fgt fia fic fie fif fig fii fil fin fit fla flc fle flf flg fli fll fln flt fna fnc fne fnf fng fni fnl fnn fnt fta ftc fte ftf ftg fti ftl ftn ftt gaa gac gae gaf gag gai gal gan gat gca gcc gce gcf gcg gci gcl gcn gct ge- gea gec gee gef geg gei gel gen get gfa gfc gfe gff gfi gfl gft gga ggc ggg ggi ggn ggt gia gic gie gif gig gii gil gin git gla glc gle glf glg gli gll gln glt gna gnc gne gnf gni gnl gnn gnt gta gtc gte gtf gtg gti gtl gtn gtt i-f ia- iaa iac iae iaf iag iai ial ian iat ica icc ice icf icg ici icl icn ict ie- iea iec iee ief ieg iei iel ien iet ifa ifc ife iff ifg ifi ifl ifn ift iga igc ige igf igg igi igl ign igt iia iic iie iif iii iil iin iit il- ila ilc ile ilf ilg ili ill iln ilt in- ina inc ine inf ing ini inl inn int ita itc ite itf itg iti itl itn itt la- laa lac lae laf lag lai lal lan lat lca lcc lce lcf lcg lci lcl lcn lct lea lec lee lef leg lei lel len let lfa lfc lfe lff lfg lfi lfl lfn lft lga lgc lge lgf lgg lgi lgl lgn lgt lia lic lie lif lig lii lil lin lit lla llc lle llf llg lli lll lln llt lna lnc lne lng lni lnl lnn lnt lta ltc lte ltf ltg lti ltl ltt n-i naa nac nae naf nag nai nal nan nat nca ncc nce ncf ncg nci ncl ncn nct ne- nea nec nee nef neg nei nel nen net nfa nfc nfe nff nfi nfl nfn nft nga ngc nge ngf ngg ngi ngl ngn ngt nia nic nie nif nig nii nil nin nit nla nlc nle nlf nlg nli nll nln nlt nna nnc nne nnf nng nni nnl nnn nnt nta ntc nte ntf ntg nti ntn ntt taa tac tae taf tag tai tal tan tat tca tcc tce tcf tcg tci tcl tcn tct te- tea tec tee tef teg tei tel ten tet tfa tfc tfe tff tfg tfi tfl tfn tft tga tgc tge tgf tgg tgi tgl tgn tgt tia tic tie tif tig tii til tin tit tla tlc tle tlf tlg tli tll tln tlt tna tnc tne tnf tng tni tnl tnn tnt tta ttc tte ttf ttg tti ttl ttn ttt