-er bbb bbe bbg bbk bbl bbm bbr be- beb bee beg bek bel bem ber bgb bge bgg bgk bgl bgm bgr bkb bke bkg bkk bkl bkm bkr blb ble blg blk bll blm blr bmb bme bmg bmk bml bmm bmr brb bre brg brk brl brm brr ebb ebe ebg ebk ebl ebm ebr eeb eee eeg eek eel eem eer egb ege egg egl egm egr ekb eke ekg ekl ekr elb ele elg elk ell elm elr em- emb eme emg emk eml emm emr erb ere erg erk erl erm err gbe gbg gbk gbl gbm gbr ge- geb gee geg gek gel gem ger ggb ggg ggm ggr gkb gkm glb gle glg glk gll glm glr gmb gme gmg gml gmm gmr grb gre grg grk grl grm grr kbb kbe kbk kbl kbm kbr ke- keb kee keg kek kel kem ker kgb kgl kgm kkb kke kkk kkl kkm kkr kl- klb klg klm klr kmb kme kmg kmk kml kmm krg krk krl krr lbb lbe lbg lbk lbl lbm lbr leb lee leg lek lel lem ler lgb lge lgg lgk lgl lgm lgr lkb lkg lkl lkr llb lle llg llk lll llm llr lmb lme lmg lmk lml lmm lmr lrb lrg lrk lrm lrr m-r mbb mbe mbg mbk mbl mbm mbr meb mee meg mek mel mem mer mgb mge mgk mgl mgm mgr mkb mke mkg mkk mkl mkm mkr mlb mle mlg mlk mll mlm mlr mmb mme mmg mmk mml mmm mmr mrb mre mrg mrk mrl mrm mrr rbb rbe rbg rbk rbl rbm rbr re- reb ree reg rek rel rem rer rgb rge rgg rgk rgr rkb rke rkg rkk rkm rle rlg rll rlm rlr rmb rme rmg rml rmm rmr rrb rrg rrk rrl rrm rrr