-er bbb bbe bbg bbi bbm bbo bbr bbt be- beb bee beg bei bem beo ber bet bgb bge bgg bgi bgm bgo bgr bgt bi- bib bie big bii bim bio bir bit bmb bme bmg bmi bmm bmo bmr bmt bob boe bog boi bom boo bor bot brb bre brg bri brm bro brr brt btb bte btg bti btm bto btr btt ebb ebe ebg ebi ebm ebo ebr ebt eeb eee eeg eem eeo eer eet egb ege egg egi egm ego egr egt eib eie eig eii eim eio eir eit em- emb eme emg emi emm emo emr emt eo- eob eoe eog eoi eom eoo eor eot erb ere erg eri erm ero err ert etb ete etg eti etm eto etr ett gbe gbg gbi gbm gbo gbr gbt ge- geb gee geg gei gem geo ger get ggb ggg ggi ggm ggo ggr ggt gib gie gig gii gim gio gir git gmb gme gmg gmi gmm gmo gmr gmt gob goe gog goi gom goo gor got grb gre grg gri grm gro grr grt gtb gte gtg gti gtm gto gtr gtt ibb ibe ibg ibi ibm ibo ibr ibt ie- iee ieg iei iem ier iet igb ige igg igi igm igo igr igt iib iie iii iim iio iir iit im- imb ime img imi imm imo imt io- iob ioe iog ioi iom ioo ior iot ir- irb ire irg iri irm iro irr irt itb ite itg iti itm ito itt m-o m-r mbb mbe mbg mbi mbm mbo mbr mbt meb mee meg mei mem meo mer met mgb mge mgi mgm mgo mgr mgt mi- mib mie mig mii mim mio mir mit mmb mme mmg mmi mmm mmo mmr mmt mob moe mog moi mom moo mor mot mrb mre mrg mri mrm mro mrr mrt mtb mte mtg mti mtm mto mtr mtt o-i ob- obb obe obg obi obm obo obr obt oeb oee oeg oei oem oeo oer oet oge ogg ogi ogo ogt oib oie oii oim oio oir oit om- omb ome omg omi omm omo omr omt oo- oob oog ooi oom ooo oor oot or- orb ore org ori orm oro orr ort ot- otb ote otg oti otm oto otr ott rbb rbe rbg rbi rbm rbo rbr rbt re- reb ree reg rei rem reo rer ret rgb rge rgg rgi rgo rgr rgt rib rie rig rii rim rio rir rit rmb rme rmg rmi rmm rmo rmr rmt rob roe rog roi rom roo ror rot rrb rrg rri rrm rrr rrt rtb rte rtg rti rtm rto rtr rtt tbb tbe tbg tbi tbm tbo tbr tbt te- teb tee teg tei tem teo ter tet tgb tge tgg tgi tgm tgo tgr tgt tib tie tig tii tim tio tir tit tmb tme tmg tmi tmm tmo tmr tmt to- tob toe tog toi tom too tor tot trb tre trg tri trm tro trr trt ttb tte ttg tti ttm tto ttr ttt