-er bbb bbe bbg bbi bbm bbr bbt be- beb bee beg bei bem ber bet bgb bge bgg bgi bgm bgr bgt bi- bib bie big bii bim bir bit bmb bme bmg bmi bmm bmr bmt brb bre brg bri brm brr brt btb bte btg bti btm btr btt ebb ebe ebg ebi ebm ebr ebt eeb eee eeg eem eer eet egb ege egg egi egm egr egt eib eie eig eii eim eir eit em- emb eme emg emi emm emr emt erb ere erg eri erm err ert etb ete etg eti etm etr ett gbe gbg gbi gbm gbr gbt ge- geb gee geg gei gem ger get ggb ggg ggi ggm ggr ggt gib gie gig gii gim gir git gmb gme gmg gmi gmm gmr gmt grb gre grg gri grm grr grt gtb gte gtg gti gtm gtr gtt ibb ibe ibg ibi ibm ibr ibt ie- iee ieg iei iem ier iet igb ige igg igi igm igr igt iib iie iii iim iir iit im- imb ime img imi imm imt ir- irb ire irg iri irm irr irt itb ite itg iti itm itt m-r mbb mbe mbg mbi mbm mbr mbt meb mee meg mei mem mer met mgb mge mgi mgm mgr mgt mi- mib mie mig mii mim mir mit mmb mme mmg mmi mmm mmr mmt mrb mre mrg mri mrm mrr mrt mtb mte mtg mti mtm mtr mtt rbb rbe rbg rbi rbm rbr rbt re- reb ree reg rei rem rer ret rgb rge rgg rgi rgr rgt rib rie rig rii rim rir rit rmb rme rmg rmi rmm rmr rmt rrb rrg rri rrm rrr rrt rtb rte rtg rti rtm rtr rtt tbb tbe tbg tbi tbm tbr tbt te- teb tee teg tei tem ter tet tgb tge tgg tgi tgm tgr tgt tib tie tig tii tim tir tit tmb tme tmg tmi tmm tmr tmt trb tre trg tri trm trr trt ttb tte ttg tti ttm ttr ttt