-er -ol bbb bbe bbi bbl bbn bbo bbr bbt be- beb bee bei bel ben beo ber bet bi- bib bie bii bil bin bio bir bit blb ble bli bll bln blo blr blt bnb bne bni bnl bnn bno bnr bnt bob boe boi bol bon boo bor bot brb bre bri brl brn bro brr brt btb bte bti btl btn bto btr btt ebb ebe ebi ebl ebn ebo ebr ebt eeb eee eel een eeo eer eet eib eie eii eil ein eio eir eit elb ele eli ell eln elo elr elt en- enb ene eni enl enn eno enr ent eo- eob eoe eoi eol eon eoo eor eot erb ere eri erl ern ero err ert etb ete eti etl etn eto etr ett ibb ibe ibi ibl ibn ibo ibr ibt ie- iee iei iel ien ier iet iib iie iii iil iin iio iir iit il- ilb ile ili ill iln ilo ilr ilt in- inb ine ini inl inn ino inr int io- iob ioe ioi iol ion ioo ior iot ir- irb ire iri irl irn iro irr irt itb ite iti itl itn ito itt lbb lbe lbi lbl lbo lbr lbt leb lee lei lel len leo ler let lib lie lii lil lin lio lir lit llb lle lli lll lln llo llr llt lnb lne lni lnl lnn lno lnr lnt lob loe loi lol lon loo lor lot lrb lri lrn lro lrr lrt ltb lte lti ltl lto ltr ltt n-i nbb nbe nbi nbl nbn nbo nbr nbt ne- neb nee nei nel nen neo ner net nib nie nii nil nin nio nir nit nlb nle nli nll nln nlo nlr nlt nnb nne nni nnl nnn nno nnt no- nob noe noi nol non noo nor not nrb nre nri nrl nrn nro nrr nrt ntb nte nti ntn nto ntr ntt o-i ob- obb obe obi obl obn obo obr obt oeb oee oei oel oen oeo oer oet oib oie oii oil oin oio oir oit olb ole oli oll oln olo olt on- onb one oni onl onn ono onr ont oo- oob ooi ool oon ooo oor oot or- orb ore ori orl orn oro orr ort ot- otb ote oti otl otn oto otr ott rbb rbe rbi rbl rbn rbo rbr rbt re- reb ree rei rel ren reo rer ret rib rie rii ril rin rio rir rit rle rli rll rln rlo rlr rlt rnb rni rnn rno rnr rnt rob roe roi rol ron roo ror rot rrb rri rrl rrn rrr rrt rtb rte rti rtl rtn rto rtr rtt tbb tbe tbi tbl tbn tbo tbr tbt te- teb tee tei tel ten teo ter tet tib tie tii til tin tio tir tit tle tli tll tln tlo tlr tlt tnb tne tni tnl tnn tno tnr tnt to- tob toe toi tol ton too tor tot trb tre tri trl trn tro trr trt ttb tte tti ttl ttn tto ttr ttt