-al -er a-a a-b a-t aaa aab aad aae aag aal aan aar aat ab- aba abb abd abe abg abl abn abr abt ad- ada adb add ade adg adl adn adr adt aea aeb aed aee aeg ael aen aer aet ag- aga agb agd age agg agl agn agr agt al- ala alb ald ale alg all aln alr alt an- ana anb and ane ang anl ann anr ant ar- ara arb ard are arg arl arn arr art at- ata atb atd ate atg atl atn atr att baa bab bad bae bag bal ban bar bat bba bbb bbd bbe bbg bbl bbn bbr bbt bda bdb bdd bde bdg bdl bdr bdt be- bea beb bed bee beg bel ben ber bet bga bgb bgd bge bgg bgl bgn bgr bgt bla blb bld ble blg bll bln blr blt bna bnb bnd bne bng bnl bnn bnr bnt bra brb brd bre brg brl brn brr brt bta btb btd bte btg btl btn btr btt daa dab dad dae dag dal dan dar dat dba dbb dbd dbe dbg dbl dbn dbr dbt dda ddb ddd dde ddg ddl ddn ddr ddt de- dea deb ded dee deg del den der det dga dgd dge dgg dgl dgn dgr dgt dl- dla dlb dld dle dlg dll dlr dlt dna dnb dnd dne dng dnl dnn dnr dnt dra drb drd dre drg drl drn drr drt dta dtb dtd dte dtg dtl dtn dtr dtt eaa eab ead eae eag eal ean ear eat eba ebb ebd ebe ebg ebl ebn ebr ebt ed- eda edb edd ede edg edl edn edr edt eea eeb eed eee eeg eel een eer eet ega egb egd ege egg egl egn egr egt ela elb eld ele elg ell eln elr elt en- ena enb end ene eng enl enn enr ent era erb erd ere erg erl ern err ert eta etb etd ete etg etl etn etr ett g-d gaa gab gad gae gag gal gan gar gat gba gbd gbe gbg gbl gbn gbr gbt gda gdb gdd gde gdl gdn gdr gdt ge- gea geb ged gee geg gel gen ger get gga ggb ggd ggg ggn ggr ggt gla glb gld gle glg gll gln glr glt gna gnb gnd gne gnl gnn gnr gnt gra grb grd gre grg grl grn grr grt gta gtb gtd gte gtg gtl gtn gtr gtt la- laa lab lad lae lag lal lan lar lat lba lbb lbd lbe lbg lbl lbr lbt lda ldb ldd lde ldg ldl ldn ldr ldt lea leb led lee leg lel len ler let lga lgb lgd lge lgg lgl lgn lgr lgt lla llb lld lle llg lll lln llr llt lna lnb lnd lne lng lnl lnn lnr lnt lra lrb lrd lrg lrn lrr lrt lta ltb ltd lte ltg ltl ltr ltt naa nab nad nae nag nal nan nar nat nba nbb nbd nbe nbg nbl nbn nbr nbt nda ndb ndd nde ndg ndl ndn ndr ndt ne- nea neb ned nee neg nel nen ner net nga ngb ngd nge ngg ngl ngn ngt nla nlb nld nle nlg nll nln nlr nlt nna nnb nne nng nnl nnn nnt nra nrb nrd nre nrg nrl nrn nrr nrt nta ntb ntd nte ntg ntn ntr ntt ra- raa rab rad rae rag ral ran rar rat rba rbb rbd rbe rbg rbl rbn rbr rbt rda rdb rdd rde rdg rdl rdn rdr rdt re- rea reb red ree reg rel ren rer ret rga rgb rgd rge rgg rgn rgr rgt rla rld rle rlg rll rln rlr rlt rna rnb rnd rng rnn rnr rnt rra rrb rrd rrg rrl rrn rrr rrt rta rtb rtd rte rtg rtl rtn rtr rtt taa tab tad tae tag tal tan tar tat tba tbb tbd tbe tbg tbl tbn tbr tbt tda tdb tdd tde tdg tdl tdn tdr tdt te- tea teb ted tee teg tel ten ter tet tga tgb tge tgg tgl tgn tgr tgt tla tld tle tlg tll tln tlr tlt tna tnb tnd tne tng tnl tnn tnr tnt tra trb trd tre trg trl trn trr trt tta ttb ttd tte ttg ttl ttn ttr ttt