-er -ol bbb bbe bbg bbl bbm bbo bbr be- beb bee beg bel bem beo ber bgb bge bgg bgl bgm bgo bgr blb ble blg bll blm blo blr bmb bme bmg bml bmm bmo bmr bob boe bog bol bom boo bor brb bre brg brl brm bro brr ebb ebe ebg ebl ebm ebo ebr eeb eee eeg eel eem eeo eer egb ege egg egl egm ego egr elb ele elg ell elm elo elr em- emb eme emg eml emm emo emr eo- eob eoe eog eol eom eoo eor erb ere erg erl erm ero err gbe gbg gbl gbm gbo gbr ge- geb gee geg gel gem geo ger ggb ggg ggm ggo ggr glb gle glg gll glm glo glr gmb gme gmg gml gmm gmo gmr gob goe gog gol gom goo gor grb gre grg grl grm gro grr lbb lbe lbg lbl lbm lbo lbr leb lee leg lel lem leo ler lgb lge lgg lgl lgm lgo lgr llb lle llg lll llm llo llr lmb lme lmg lml lmm lmo lmr lob loe log lol lom loo lor lrb lrg lrm lro lrr m-o m-r mbb mbe mbg mbl mbm mbo mbr meb mee meg mel mem meo mer mgb mge mgl mgm mgo mgr mlb mle mlg mll mlm mlo mlr mmb mme mmg mml mmm mmo mmr mob moe mog mol mom moo mor mrb mre mrg mrl mrm mro mrr ob- obb obe obg obl obm obo obr oeb oee oeg oel oem oeo oer oge ogg ogl ogo olb ole olg oll olm olo om- omb ome omg oml omm omo omr oo- oob oog ool oom ooo oor or- orb ore org orl orm oro orr rbb rbe rbg rbl rbm rbo rbr re- reb ree reg rel rem reo rer rgb rge rgg rgo rgr rle rlg rll rlm rlo rlr rmb rme rmg rml rmm rmo rmr rob roe rog rol rom roo ror rrb rrg rrl rrm rrr