-er -ol bbb bbe bbi bbl bbn bbo bbr be- beb bee bei bel ben beo ber bi- bib bie bii bil bin bio bir blb ble bli bll bln blo blr bnb bne bni bnl bnn bno bnr bob boe boi bol bon boo bor brb bre bri brl brn bro brr ebb ebe ebi ebl ebn ebo ebr eeb eee eel een eeo eer eib eie eii eil ein eio eir elb ele eli ell eln elo elr en- enb ene eni enl enn eno enr eo- eob eoe eoi eol eon eoo eor erb ere eri erl ern ero err ibb ibe ibi ibl ibn ibo ibr ie- iee iei iel ien ier iib iie iii iil iin iio iir il- ilb ile ili ill iln ilo ilr in- inb ine ini inl inn ino inr io- iob ioe ioi iol ion ioo ior ir- irb ire iri irl irn iro irr lbb lbe lbi lbl lbo lbr leb lee lei lel len leo ler lib lie lii lil lin lio lir llb lle lli lll lln llo llr lnb lne lni lnl lnn lno lnr lob loe loi lol lon loo lor lrb lri lrn lro lrr n-i nbb nbe nbi nbl nbn nbo nbr ne- neb nee nei nel nen neo ner nib nie nii nil nin nio nir nlb nle nli nll nln nlo nlr nnb nne nni nnl nnn nno no- nob noe noi nol non noo nor nrb nre nri nrl nrn nro nrr o-i ob- obb obe obi obl obn obo obr oeb oee oei oel oen oeo oer oib oie oii oil oin oio oir olb ole oli oll oln olo on- onb one oni onl onn ono onr oo- oob ooi ool oon ooo oor or- orb ore ori orl orn oro orr rbb rbe rbi rbl rbn rbo rbr re- reb ree rei rel ren reo rer rib rie rii ril rin rio rir rle rli rll rln rlo rlr rnb rni rnn rno rnr rob roe roi rol ron roo ror rrb rri rrl rrn rrr