-er -ol bbb bbe bbh bbi bbl bbo bbr be- beb bee beh bei bel beo ber bhb bhe bhh bhi bhl bho bhr bi- bib bie bih bii bil bio bir blb ble blh bli bll blo blr bob boe boh boi bol boo bor brb bre brh bri brl bro brr ebb ebe ebh ebi ebl ebo ebr eeb eee eel eeo eer ehb ehe ehh ehi ehl eho ehr eib eie eii eil eio eir elb ele elh eli ell elo elr eo- eob eoe eoh eoi eol eoo eor erb ere erh eri erl ero err h-i hbb hbe hbh hbi hbl hbo hbr he- heb hee heh hei hel heo her hhb hhe hhh hhi hhl hho hhr hib hie hih hii hil hio hir hlb hle hlh hli hll hlo hlr hob hoe hoh hoi hol hoo hor hr- hrb hre hrh hri hrl hro hrr ibb ibe ibh ibi ibl ibo ibr ie- iee iei iel ier ihb ihe ihh ihi ihl iho ihr iib iie iih iii iil iio iir il- ilb ile ilh ili ill ilo ilr io- iob ioe ioh ioi iol ioo ior ir- irb ire iri irl iro irr lbb lbe lbh lbi lbl lbo lbr leb lee leh lei lel leo ler lhb lhh lhi lho lhr lib lie lih lii lil lio lir llb lle lli lll llo llr lob loe loh loi lol loo lor lrb lrh lri lro lrr o-i ob- obb obe obh obi obl obo obr oeb oee oeh oei oel oeo oer ohe ohh ohi ohl oho ohr oib oie oii oil oio oir olb ole oli oll olo oo- oob ooh ooi ool ooo oor or- orb ore orh ori orl oro orr rbb rbe rbh rbi rbl rbo rbr re- reb ree reh rei rel reo rer rh- rhb rhe rhh rhi rhl rho rhr rib rie rih rii ril rio rir rle rlh rli rll rlo rlr rob roe roh roi rol roo ror rrb rrh rri rrl rrr