-al -th a-a a-c a-t aaa aac aae aaf aag aah aal aan aat ac- aca acc ace acf acg ach acl acn act aea aec aee aef aeg aeh ael aen aet af- afa afc afe aff afg afh afl afn aft ag- aga agc age agf agg agh agl agn agt aha ahc ahe ahf ahg ahh ahl ahn aht al- ala alc ale alf alg alh all aln alt an- ana anc ane anf ang anh anl ann ant at- ata atc ate atf atg ath atl atn att c-- caa cac cae caf cag cah cal can cat cca ccc cce ccf ccg cch ccl ccn cct ce- cea cec cee cef ceg ceh cel cen cet cfa cfc cfe cff cfg cfh cfl cfn cft cga cgc cge cgg cgh cgl cgn cgt ch- cha chc che chf chg chh chl chn cht cl- cla clc cle clf clg clh cll cln clt cn- cna cnc cne cnf cng cnh cnl cnn cnt cta ctc cte ctf ctg cth ctl ctn ctt eaa eac eae eaf eag eah eal ean eat ec- eca ecc ece ecf ecg ech ecl ecn ect eea eec eee eef eeg eel een eet ef- efa efc efe eff efg efh efl eft ega egc ege egf egg egh egl egn egt eha ehc ehe ehf ehg ehh ehl ehn eht ela elc ele elf elg elh ell eln elt en- ena enc ene enf eng enh enl enn ent eta etc ete etf etg eth etl etn ett faa fac fae faf fag fah fal fan fat fca fcc fce fcf fcg fcl fcn fct fea fec fee fef feg feh fel fen fet ffa ffc ffe fff ffg ffh ffl ffn fft fga fgc fge fgf fgg fgh fgl fgn fgt fha fhc fhe fhf fhg fhh fhl fhn fla flc fle flf flg fll fln flt fna fnc fne fnf fng fnh fnl fnn fnt fta ftc fte ftf ftg fth ftl ftn ftt gaa gac gae gaf gag gah gal gan gat gca gcc gce gcf gcg gch gcl gcn gct ge- gea gec gee gef geg geh gel gen get gfa gfc gfe gff gfh gfl gft gga ggc ggg ggh ggn ggt gha ghc ghe ghg ghh ghl ghn ght gla glc gle glf glg glh gll gln glt gna gnc gne gnf gnl gnn gnt gta gtc gte gtf gtg gth gtl gtn gtt haa hac hae haf hag hah hal han hat hca hcc hce hcf hcg hch hcl hcn hct he- hea hec hee hef heg heh hel hen het hfa hfc hfe hff hfg hfh hfl hfn hft hga hgc hge hgf hgg hgh hgl hgn hgt hha hhc hhe hhf hhg hhh hhl hhn hht hla hlc hle hlf hlg hlh hll hln hlt hna hnc hne hnf hng hnh hnl hnn hnt hta htc hte htf htg hth htl htn htt la- laa lac lae laf lag lah lal lan lat lca lcc lce lcf lcg lch lcl lcn lct lea lec lee lef leg leh lel len let lfa lfc lfe lff lfg lfh lfl lfn lft lga lgc lge lgf lgg lgh lgl lgn lgt lha lhc lhf lhh lht lla llc lle llf llg lll lln llt lna lnc lne lng lnh lnl lnn lnt lta ltc lte ltf ltg lth ltl ltt naa nac nae naf nag nah nal nan nat nca ncc nce ncf ncg nch ncl ncn nct ne- nea nec nee nef neg neh nel nen net nfa nfc nfe nff nfl nfn nft nga ngc nge ngf ngg ngh ngl ngn ngt nha nhc nhe nhf nhg nhh nhl nhn nht nla nlc nle nlf nlg nlh nll nln nlt nna nnc nne nnf nng nnh nnl nnn nnt nta ntc nte ntf ntg nth ntn ntt taa tac tae taf tag tah tal tan tat tca tcc tce tcf tcg tch tcl tcn tct te- tea tec tee tef teg teh tel ten tet tfa tfc tfe tff tfg tfh tfl tfn tft tga tgc tge tgf tgg tgh tgl tgn tgt th- tha thc the thf thg thh thl thn tht tla tlc tle tlf tlg tlh tll tln tlt tna tnc tne tnf tng tnh tnl tnn tnt tta ttc tte ttf ttg tth ttl ttn ttt