-er -ol bbb bbe bbg bbh bbi bbl bbo bbr be- beb bee beg beh bei bel beo ber bgb bge bgg bgh bgi bgl bgo bgr bhb bhe bhg bhh bhi bhl bho bhr bi- bib bie big bih bii bil bio bir blb ble blg blh bli bll blo blr bob boe bog boh boi bol boo bor brb bre brg brh bri brl bro brr ebb ebe ebg ebh ebi ebl ebo ebr eeb eee eeg eel eeo eer egb ege egg egh egi egl ego egr ehb ehe ehg ehh ehi ehl eho ehr eib eie eig eii eil eio eir elb ele elg elh eli ell elo elr eo- eob eoe eog eoh eoi eol eoo eor erb ere erg erh eri erl ero err gbe gbg gbh gbi gbl gbo gbr ge- geb gee geg geh gei gel geo ger ggb ggg ggh ggi ggo ggr ghb ghe ghg ghh ghi ghl gho ghr gib gie gig gih gii gil gio gir glb gle glg glh gli gll glo glr gob goe gog goh goi gol goo gor grb gre grg grh gri grl gro grr h-i hbb hbe hbg hbh hbi hbl hbo hbr he- heb hee heg heh hei hel heo her hgb hge hgg hgh hgi hgl hgo hgr hhb hhe hhg hhh hhi hhl hho hhr hib hie hig hih hii hil hio hir hlb hle hlg hlh hli hll hlo hlr hob hoe hog hoh hoi hol hoo hor hr- hrb hre hrg hrh hri hrl hro hrr ibb ibe ibg ibh ibi ibl ibo ibr ie- iee ieg iei iel ier igb ige igg igh igi igl igo igr ihb ihe ihg ihh ihi ihl iho ihr iib iie iih iii iil iio iir il- ilb ile ilg ilh ili ill ilo ilr io- iob ioe iog ioh ioi iol ioo ior ir- irb ire irg iri irl iro irr lbb lbe lbg lbh lbi lbl lbo lbr leb lee leg leh lei lel leo ler lgb lge lgg lgh lgi lgl lgo lgr lhb lhh lhi lho lhr lib lie lig lih lii lil lio lir llb lle llg lli lll llo llr lob loe log loh loi lol loo lor lrb lrg lrh lri lro lrr o-i ob- obb obe obg obh obi obl obo obr oeb oee oeg oeh oei oel oeo oer oge ogg ogh ogi ogl ogo ohe ohg ohh ohi ohl oho ohr oib oie oii oil oio oir olb ole olg oli oll olo oo- oob oog ooh ooi ool ooo oor or- orb ore org orh ori orl oro orr rbb rbe rbg rbh rbi rbl rbo rbr re- reb ree reg reh rei rel reo rer rgb rge rgg rgh rgi rgo rgr rh- rhb rhe rhg rhh rhi rhl rho rhr rib rie rig rih rii ril rio rir rle rlg rlh rli rll rlo rlr rob roe rog roh roi rol roo ror rrb rrg rrh rri rrl rrr