-er bbb bbe bbg bbi bbm bbo bbr be- beb bee beg bei bem beo ber bgb bge bgg bgi bgm bgo bgr bi- bib bie big bii bim bio bir bmb bme bmg bmi bmm bmo bmr bob boe bog boi bom boo bor brb bre brg bri brm bro brr ebb ebe ebg ebi ebm ebo ebr eeb eee eeg eem eeo eer egb ege egg egi egm ego egr eib eie eig eii eim eio eir em- emb eme emg emi emm emo emr eo- eob eoe eog eoi eom eoo eor erb ere erg eri erm ero err gbe gbg gbi gbm gbo gbr ge- geb gee geg gei gem geo ger ggb ggg ggi ggm ggo ggr gib gie gig gii gim gio gir gmb gme gmg gmi gmm gmo gmr gob goe gog goi gom goo gor grb gre grg gri grm gro grr ibb ibe ibg ibi ibm ibo ibr ie- iee ieg iei iem ier igb ige igg igi igm igo igr iib iie iii iim iio iir im- imb ime img imi imm imo io- iob ioe iog ioi iom ioo ior ir- irb ire irg iri irm iro irr m-o m-r mbb mbe mbg mbi mbm mbo mbr meb mee meg mei mem meo mer mgb mge mgi mgm mgo mgr mi- mib mie mig mii mim mio mir mmb mme mmg mmi mmm mmo mmr mob moe mog moi mom moo mor mrb mre mrg mri mrm mro mrr o-i ob- obb obe obg obi obm obo obr oeb oee oeg oei oem oeo oer oge ogg ogi ogo oib oie oii oim oio oir om- omb ome omg omi omm omo omr oo- oob oog ooi oom ooo oor or- orb ore org ori orm oro orr rbb rbe rbg rbi rbm rbo rbr re- reb ree reg rei rem reo rer rgb rge rgg rgi rgo rgr rib rie rig rii rim rio rir rmb rme rmg rmi rmm rmo rmr rob roe rog roi rom roo ror rrb rrg rri rrm rrr