-er -ol bbb bbe bbg bbh bbl bbn bbo bbr be- beb bee beg beh bel ben beo ber bgb bge bgg bgh bgl bgn bgo bgr bhb bhe bhg bhh bhl bho bhr blb ble blg blh bll bln blo blr bnb bne bng bnl bnn bno bnr bob boe bog boh bol bon boo bor brb bre brg brh brl brn bro brr ebb ebe ebg ebh ebl ebn ebo ebr eeb eee eeg eel een eeo eer egb ege egg egh egl egn ego egr ehb ehe ehg ehh ehl ehn eho ehr elb ele elg elh ell eln elo elr en- enb ene eng enh enl enn eno enr eo- eob eoe eog eoh eol eon eoo eor erb ere erg erh erl ern ero err gbe gbg gbh gbl gbn gbo gbr ge- geb gee geg geh gel gen geo ger ggb ggg ggh ggn ggo ggr ghb ghe ghg ghh ghl ghn gho ghr glb gle glg glh gll gln glo glr gnb gne gnl gnn gno gnr gob goe gog goh gol gon goo gor grb gre grg grh grl grn gro grr hbb hbe hbg hbh hbl hbn hbo hbr he- heb hee heg heh hel hen heo her hgb hge hgg hgh hgl hgn hgo hgr hhb hhe hhg hhh hhl hhn hho hhr hlb hle hlg hlh hll hln hlo hlr hnb hne hng hnh hnl hnn hno hob hoe hog hoh hol hon hoo hor hr- hrb hre hrg hrh hrl hrn hro hrr lbb lbe lbg lbh lbl lbo lbr leb lee leg leh lel len leo ler lgb lge lgg lgh lgl lgn lgo lgr lhb lhh lho lhr llb lle llg lll lln llo llr lnb lne lng lnh lnl lnn lno lnr lob loe log loh lol lon loo lor lrb lrg lrh lrn lro lrr nbb nbe nbg nbl nbn nbo nbr ne- neb nee neg neh nel nen neo ner ngb nge ngg ngh ngl ngn ngo nhb nhe nhg nhh nhl nhn nhr nlb nle nlg nlh nll nln nlo nlr nnb nne nng nnh nnl nnn nno no- nob noe nog noh nol non noo nor nrb nre nrg nrl nrn nro nrr ob- obb obe obg obh obl obn obo obr oeb oee oeg oeh oel oen oeo oer oge ogg ogh ogl ogn ogo ohe ohg ohh ohl ohn oho ohr olb ole olg oll oln olo on- onb one ong onh onl onn ono onr oo- oob oog ooh ool oon ooo oor or- orb ore org orh orl orn oro orr rbb rbe rbg rbh rbl rbn rbo rbr re- reb ree reg reh rel ren reo rer rgb rge rgg rgh rgn rgo rgr rh- rhb rhe rhg rhh rhl rhn rho rhr rle rlg rlh rll rln rlo rlr rnb rng rnh rnn rno rnr rob roe rog roh rol ron roo ror rrb rrg rrh rrl rrn rrr