-er bbb bbe bbg bbm bbn bbo bbr bbt be- beb bee beg bem ben beo ber bet bgb bge bgg bgm bgn bgo bgr bgt bmb bme bmg bmm bmn bmo bmr bmt bnb bne bng bnn bno bnr bnt bob boe bog bom bon boo bor bot brb bre brg brm brn bro brr brt btb bte btg btm btn bto btr btt ebb ebe ebg ebm ebn ebo ebr ebt eeb eee eeg eem een eeo eer eet egb ege egg egm egn ego egr egt em- emb eme emg emm emn emo emr emt en- enb ene eng enm enn eno enr ent eo- eob eoe eog eom eon eoo eor eot erb ere erg erm ern ero err ert etb ete etg etm etn eto etr ett gbe gbg gbm gbn gbo gbr gbt ge- geb gee geg gem gen geo ger get ggb ggg ggm ggn ggo ggr ggt gmb gme gmg gmm gmn gmo gmr gmt gnb gne gnm gnn gno gnr gnt gob goe gog gom gon goo gor got grb gre grg grm grn gro grr grt gtb gte gtg gtm gtn gto gtr gtt m-o m-r mbb mbe mbg mbm mbo mbr mbt meb mee meg mem men meo mer met mgb mge mgm mgn mgo mgr mgt mmb mme mmg mmm mmn mmo mmr mmt mnb mne mng mnm mnn mno mnr mnt mob moe mog mom mon moo mor mot mrb mre mrg mrm mrn mro mrr mrt mtb mte mtg mtm mtn mto mtr mtt nbb nbe nbg nbm nbn nbo nbr nbt ne- neb nee neg nem nen neo ner net ngb nge ngg ngm ngn ngo ngt nmb nme nmg nmm nmn nmo nmr nmt nnb nne nng nnm nnn nno nnt no- nob noe nog nom non noo nor not nrb nre nrg nrm nrn nro nrr nrt ntb nte ntg ntm ntn nto ntr ntt ob- obb obe obg obm obn obo obr obt oeb oee oeg oem oen oeo oer oet oge ogg ogn ogo ogt om- omb ome omg omm omn omo omr omt on- onb one ong onn ono onr ont oo- oob oog oom oon ooo oor oot or- orb ore org orm orn oro orr ort ot- otb ote otg otm otn oto otr ott rbb rbe rbg rbm rbn rbo rbr rbt re- reb ree reg rem ren reo rer ret rgb rge rgg rgn rgo rgr rgt rmb rme rmg rmm rmn rmo rmr rmt rnb rng rnm rnn rno rnr rnt rob roe rog rom ron roo ror rot rrb rrg rrm rrn rrr rrt rtb rte rtg rtm rtn rto rtr rtt tbb tbe tbg tbm tbn tbo tbr tbt te- teb tee teg tem ten teo ter tet tgb tge tgg tgm tgn tgo tgr tgt tmb tme tmg tmm tmn tmo tmr tmt tnb tne tng tnm tnn tno tnr tnt to- tob toe tog tom ton too tor tot trb tre trg trm trn tro trr trt ttb tte ttg ttm ttn tto ttr ttt