-al -er a-a a-b a-c a-t aaa aab aac aae aaf aag aal aan aar aas aat aau ab- aba abb abc abe abf abg abl abn abr abs abt abu ac- aca acb acc ace acf acg acl acn acr acs act acu aea aeb aec aee aef aeg ael aen aer aes aet aeu af- afa afb afc afe aff afg afl afn afr afs aft afu ag- aga agb agc age agf agg agl agn agr ags agt agu al- ala alb alc ale alf alg all aln alr als alt alu an- ana anb anc ane anf ang anl ann anr ans ant anu ar- ara arb arc are arf arg arl arn arr ars art aru as- asa asb asc ase asf asg asl asn asr ass ast asu at- ata atb atc ate atf atg atl atn atr ats att atu au- aua aub auc aue auf aug aul aun aur aus aut b-u baa bab bac bae baf bag bal ban bar bas bat bau bba bbb bbc bbe bbf bbg bbl bbn bbr bbs bbt bbu bca bcb bcc bce bcf bcg bcl bcn bcr bcs bct bcu be- bea beb bec bee bef beg bel ben ber bes bet beu bfa bfb bfc bfe bff bfg bfl bfn bfr bfs bft bfu bga bgb bgc bge bgf bgg bgl bgn bgr bgs bgt bgu bla blb blc ble blf blg bll bln blr bls blt blu bna bnb bnc bne bnf bng bnl bnn bnr bns bnt bnu bra brb bre brf brg brl brn brr brs brt bru bsa bsb bsc bse bsf bsg bsl bsn bsr bss bst bsu bta btb btc bte btf btg btl btn btr bts btt btu bua bub buc bue buf bug bul bun bur bus but buu c-- caa cab cac cae caf cag cal can car cas cat cau cba cbb cbc cbe cbf cbg cbl cbn cbr cbs cbt cbu cca ccb ccc cce ccf ccg ccl ccn ccr ccs cct ccu ce- cea ceb cec cee cef ceg cel cen cer ces cet ceu cfa cfb cfc cfe cff cfg cfl cfn cfr cfs cft cfu cga cgb cgc cge cgg cgl cgn cgr cgs cgt cgu cl- cla clb clc cle clf clg cll cln clr cls clt clu cn- cna cnb cnc cne cnf cng cnl cnn cnr cns cnt cnu cra crb crc cre crf crg crl crn crr crs crt cru csa csb csc cse csf csg csl csn csr css cst csu cta ctb ctc cte ctf ctg ctl ctn ctr cts ctt ctu cua cub cuc cue cuf cug cul cun cur cus cut cuu eaa eab eac eae eaf eag eal ean ear eas eat eau eba ebb ebc ebe ebf ebg ebl ebn ebr ebs ebt ebu ec- eca ecb ecc ece ecf ecg ecl ecn ecr ecs ect ecu eea eeb eec eee eef eeg eel een eer ees eet ef- efa efb efc efe eff efg efl efr efs eft ega egb egc ege egf egg egl egn egr egs egt egu ela elb elc ele elf elg ell eln elr els elt elu en- ena enb enc ene enf eng enl enn enr ens ent enu era erb erc ere erf erg erl ern err ers ert eru es- esa esb esc ese esf esg esl esn esr ess est esu eta etb etc ete etf etg etl etn etr ets ett etu eu- eua eub euc eue euf eug eul eun eur eus eut faa fab fac fae faf fag fal fan far fas fat fau fba fbb fbc fbe fbf fbg fbl fbn fbr fbs fbt fbu fca fcb fcc fce fcf fcg fcl fcn fcr fcs fct fcu fea feb fec fee fef feg fel fen fer fes fet feu ffa ffc ffe fff ffg ffl ffn ffr ffs fft ffu fga fgb fgc fge fgf fgg fgl fgn fgr fgs fgt fla flb flc fle flf flg fll fln flr fls flt flu fna fnb fnc fne fnf fng fnl fnn fnr fns fnt fnu fra frb frc fre frf frg frl frn frr frs frt fru fsa fsb fsc fse fsf fsg fsl fsn fsr fss fst fsu fta ftb ftc fte ftf ftg ftl ftn ftr fts ftt ftu fua fub fue fuf fug ful fun fur fus fut fuu gaa gab gac gae gaf gag gal gan gar gas gat gau gba gbc gbe gbf gbg gbl gbn gbr gbs gbt gbu gca gcb gcc gce gcf gcg gcl gcn gcr gcs gct gcu ge- gea geb gec gee gef geg gel gen ger ges get geu gfa gfb gfc gfe gff gfl gfr gfs gft gga ggb ggc ggg ggn ggr ggs ggt ggu gla glb glc gle glf glg gll gln glr gls glt glu gna gnb gnc gne gnf gnl gnn gnr gns gnt gnu gra grb grc gre grf grg grl grn grr grs grt gru gsa gsb gsc gse gsf gsg gsl gsn gsr gss gst gsu gta gtb gtc gte gtf gtg gtl gtn gtr gts gtt gtu gu- gua gub guc gue guf gug gul gun gur gus gut guu la- laa lab lac lae laf lag lal lan lar las lat lau lba lbb lbc lbe lbf lbg lbl lbr lbs lbt lbu lca lcb lcc lce lcf lcg lcl lcn lcr lcs lct lcu lea leb lec lee lef leg lel len ler les let leu lfa lfb lfc lfe lff lfg lfl lfn lfr lfs lft lfu lga lgb lgc lge lgf lgg lgl lgn lgr lgs lgt lgu lla llb llc lle llf llg lll lln llr lls llt llu lna lnb lnc lne lng lnl lnn lnr lns lnt lnu lra lrb lrc lrf lrg lrn lrr lrs lrt lru lsa lsb lsc lse lsf lsg lsl lsn lsr lss lst lsu lta ltb ltc lte ltf ltg ltl ltr