-er bbb bbe bbg bbl bbm bbn bbr be- beb bee beg bel bem ben ber bgb bge bgg bgl bgm bgn bgr blb ble blg bll blm bln blr bmb bme bmg bml bmm bmn bmr bnb bne bng bnl bnn bnr brb bre brg brl brm brn brr ebb ebe ebg ebl ebm ebn ebr eeb eee eeg eel eem een eer egb ege egg egl egm egn egr elb ele elg ell elm eln elr em- emb eme emg eml emm emn emr en- enb ene eng enl enm enn enr erb ere erg erl erm ern err gbe gbg gbl gbm gbn gbr ge- geb gee geg gel gem gen ger ggb ggg ggm ggn ggr glb gle glg gll glm gln glr gmb gme gmg gml gmm gmn gmr gnb gne gnl gnm gnn gnr grb gre grg grl grm grn grr lbb lbe lbg lbl lbm lbr leb lee leg lel lem len ler lgb lge lgg lgl lgm lgn lgr llb lle llg lll llm lln llr lmb lme lmg lml lmm lmn lmr lnb lne lng lnl lnm lnn lnr lrb lrg lrm lrn lrr m-r mbb mbe mbg mbl mbm mbr meb mee meg mel mem men mer mgb mge mgl mgm mgn mgr mlb mle mlg mll mlm mln mlr mmb mme mmg mml mmm mmn mmr mnb mne mng mnl mnm mnn mnr mrb mre mrg mrl mrm mrn mrr nbb nbe nbg nbl nbm nbn nbr ne- neb nee neg nel nem nen ner ngb nge ngg ngl ngm ngn nlb nle nlg nll nlm nln nlr nmb nme nmg nml nmm nmn nmr nnb nne nng nnl nnm nnn nrb nre nrg nrl nrm nrn nrr rbb rbe rbg rbl rbm rbn rbr re- reb ree reg rel rem ren rer rgb rge rgg rgn rgr rle rlg rll rlm rln rlr rmb rme rmg rml rmm rmn rmr rnb rng rnm rnn rnr rrb rrg rrl rrm rrn rrr