-er -ol bbb bbe bbi bbl bbo bbr be- beb bee bei bel beo ber bez bi- bib bie bii bil bio bir biz blb ble bli bll blo blr blz bob boe boi bol boo bor boz brb bre bri brl bro brr brz bze bzo bzr bzz ebb ebe ebi ebl ebo ebr eeb eee eel eeo eer eib eie eii eil eio eir elb ele eli ell elo elr elz eo- eob eoe eoi eol eoo eor erb ere eri erl ero err erz eze ezo ezr ezz ibb ibe ibi ibl ibo ibr ibz ie- iee iei iel ier iib iie iii iil iio iir il- ilb ile ili ill ilo ilr ilz io- iob ioe ioi iol ioo ior ir- irb ire iri irl iro irr ize izi izo izz lbb lbe lbi lbl lbo lbr leb lee lei lel leo ler lez lib lie lii lil lio lir liz llb lle lli lll llo llr llz lob loe loi lol loo lor loz lrb lri lro lrr lrz lzi lzo lzr o-i ob- obb obe obi obl obo obr oeb oee oei oel oeo oer oib oie oii oil oio oir oiz olb ole oli oll olo oo- oob ooi ool ooo oor or- orb ore ori orl oro orr orz oze ozo ozz rbb rbe rbi rbl rbo rbr re- reb ree rei rel reo rer rez rib rie rii ril rio rir riz rle rli rll rlo rlr rob roe roi rol roo ror roz rrb rri rrl rrr rzb rze rzo zbb zbl zbr zeb zee zel zeo zer zez zib zie zil zio zir ziz zlr zo- zob zoe zoi zol zoo zor zrl zro zzr zzz