-er -ey bbb bbe bbf bbg bbm bbo bbr bby be- beb bee bef beg bem beo ber bey bfb bfe bff bfg bfm bfo bfr bfy bgb bge bgf bgg bgm bgo bgr bmb bme bmf bmg bmm bmo bmr bob boe bof bog bom boo bor boy brb bre brf brg brm bro brr bry by- bye byf byg bym byo byr ebb ebe ebf ebg ebm ebo ebr eby eeb eee eef eeg eem eeo eer eey ef- efb efe eff efg efm efo efr egb ege egf egg egm ego egr egy em- emb eme emf emg emm emo emr eo- eob eoe eof eog eom eoo eor erb ere erf erg erm ero err ery eye eym eyo eyr fbb fbe fbf fbg fbm fbo fbr feb fee fef feg fem feo fer fey ffe fff ffg ffm ffo ffr ffy fgb fge fgf fgg fgm fgr fmb fme fmf fmg fmm fmo fmr fob foe fof fog fom foo for foy frb fre frf frg frm fro frr fry fy- fyb fye fyo gbe gbf gbg gbm gbo gbr gby ge- geb gee gef geg gem geo ger gey gfb gfe gff gfm gfo gfr gfy ggb ggg ggm ggo ggr gmb gme gmf gmg gmm gmo gmr gmy gob goe gof gog gom goo gor goy grb gre grf grg grm gro grr gry gy- gyb gye gyf gym gyo gyr m-f m-o m-r mbb mbe mbf mbg mbm mbo mbr meb mee mef meg mem meo mer mey mfb mfe mff mfg mfm mfo mfr mfy mgb mge mgf mgm mgo mgr mgy mmb mme mmf mmg mmm mmo mmr mob moe mof mog mom moo mor moy mrb mre mrf mrg mrm mro mrr mry my- myb mye myf myg mym myo myr ob- obb obe obf obg obm obo obr oby oeb oee oef oeg oem oeo oer oey of- ofb ofe off ofg ofm ofo ofr oge ogf ogg ogo ogy om- omb ome omf omg omm omo omr omy oo- oob oof oog oom ooo oor or- orb ore orf org orm oro orr ory oye oyo rbb rbe rbf rbg rbm rbo rbr re- reb ree ref reg rem reo rer rey rfb rfe rff rfg rfm rfo rfr rgb rge rgf rgg rgo rgr rmb rme rmf rmg rmm rmo rmr rob roe rof rog rom roo ror roy rrb rrf rrg rrm rrr ry- rye ryf ryg rym ryo ryr ryy ybe ybf ybg ybm ybr yby yeb yee yef yeg yem yeo yer yey yfe yff yfm yfr ygm ygo yme ymg ymm ymo yob yoe yof yog yom yoo yor yoy yre yrf yrg yro yyb yye yyf yyg yyy