bbb bbe bbg bbm bbn bbo be- beb bee beg bem ben beo bgb bge bgg bgm bgn bgo bmb bme bmg bmm bmn bmo bnb bne bng bnn bno bob boe bog bom bon boo ebb ebe ebg ebm ebn ebo eeb eee eeg eem een eeo egb ege egg egm egn ego em- emb eme emg emm emn emo en- enb ene eng enm enn eno eo- eob eoe eog eom eon eoo gbe gbg gbm gbn gbo ge- geb gee geg gem gen geo ggb ggg ggm ggn ggo gmb gme gmg gmm gmn gmo gnb gne gnm gnn gno gob goe gog gom gon goo m-o mbb mbe mbg mbm mbo meb mee meg mem men meo mgb mge mgm mgn mgo mmb mme mmg mmm mmn mmo mnb mne mng mnm mnn mno mob moe mog mom mon moo nbb nbe nbg nbm nbn nbo ne- neb nee neg nem nen neo ngb nge ngg ngm ngn ngo nmb nme nmg nmm nmn nmo nnb nne nng nnm nnn nno no- nob noe nog nom non noo ob- obb obe obg obm obn obo oeb oee oeg oem oen oeo oge ogg ogn ogo om- omb ome omg omm omn omo on- onb one ong onn ono oo- oob oog oom oon ooo