-er bbb bbe bbg bbl bbn bbr bbt be- beb bee beg bel ben ber bet bgb bge bgg bgl bgn bgr bgt blb ble blg bll bln blr blt bnb bne bng bnl bnn bnr bnt brb bre brg brl brn brr brt btb bte btg btl btn btr btt ebb ebe ebg ebl ebn ebr ebt eeb eee eeg eel een eer eet egb ege egg egl egn egr egt elb ele elg ell eln elr elt en- enb ene eng enl enn enr ent erb ere erg erl ern err ert etb ete etg etl etn etr ett gbe gbg gbl gbn gbr gbt ge- geb gee geg gel gen ger get ggb ggg ggn ggr ggt glb gle glg gll gln glr glt gnb gne gnl gnn gnr gnt grb gre grg grl grn grr grt gtb gte gtg gtl gtn gtr gtt lbb lbe lbg lbl lbr lbt leb lee leg lel len ler let lgb lge lgg lgl lgn lgr lgt llb lle llg lll lln llr llt lnb lne lng lnl lnn lnr lnt lrb lrg lrn lrr lrt ltb lte ltg ltl ltr ltt nbb nbe nbg nbl nbn nbr nbt ne- neb nee neg nel nen ner net ngb nge ngg ngl ngn ngt nlb nle nlg nll nln nlr nlt nnb nne nng nnl nnn nnt nrb nre nrg nrl nrn nrr nrt ntb nte ntg ntn ntr ntt rbb rbe rbg rbl rbn rbr rbt re- reb ree reg rel ren rer ret rgb rge rgg rgn rgr rgt rle rlg rll rln rlr rlt rnb rng rnn rnr rnt rrb rrg rrl rrn rrr rrt rtb rte rtg rtl rtn rtr rtt tbb tbe tbg tbl tbn tbr tbt te- teb tee teg tel ten ter tet tgb tge tgg tgl tgn tgr tgt tle tlg tll tln tlr tlt tnb tne tng tnl tnn tnr tnt trb tre trg trl trn trr trt ttb tte ttg ttl ttn ttr ttt