-er -ol bbb bbe bbg bbl bbn bbo bbr be- beb bee beg bel ben beo ber bgb bge bgg bgl bgn bgo bgr blb ble blg bll bln blo blr bnb bne bng bnl bnn bno bnr bob boe bog bol bon boo bor brb bre brg brl brn bro brr ebb ebe ebg ebl ebn ebo ebr eeb eee eeg eel een eeo eer egb ege egg egl egn ego egr elb ele elg ell eln elo elr en- enb ene eng enl enn eno enr eo- eob eoe eog eol eon eoo eor erb ere erg erl ern ero err gbe gbg gbl gbn gbo gbr ge- geb gee geg gel gen geo ger ggb ggg ggn ggo ggr glb gle glg gll gln glo glr gnb gne gnl gnn gno gnr gob goe gog gol gon goo gor grb gre grg grl grn gro grr lbb lbe lbg lbl lbo lbr leb lee leg lel len leo ler lgb lge lgg lgl lgn lgo lgr llb lle llg lll lln llo llr lnb lne lng lnl lnn lno lnr lob loe log lol lon loo lor lrb lrg lrn lro lrr nbb nbe nbg nbl nbn nbo nbr ne- neb nee neg nel nen neo ner ngb nge ngg ngl ngn ngo nlb nle nlg nll nln nlo nlr nnb nne nng nnl nnn nno no- nob noe nog nol non noo nor nrb nre nrg nrl nrn nro nrr ob- obb obe obg obl obn obo obr oeb oee oeg oel oen oeo oer oge ogg ogl ogn ogo olb ole olg oll oln olo on- onb one ong onl onn ono onr oo- oob oog ool oon ooo oor or- orb ore org orl orn oro orr rbb rbe rbg rbl rbn rbo rbr re- reb ree reg rel ren reo rer rgb rge rgg rgn rgo rgr rle rlg rll rln rlo rlr rnb rng rnn rno rnr rob roe rog rol ron roo ror rrb rrg rrl rrn rrr