-er -ol b-u bbb bbe bbi bbl bbn bbo bbr bbt bbu be- beb bee bei bel ben beo ber bet beu bi- bib bie bii bil bin bio bir bit biu blb ble bli bll bln blo blr blt blu bnb bne bni bnl bnn bno bnr bnt bnu bob boe boi bol bon boo bor bot bou brb bre bri brl brn bro brr brt bru btb bte bti btl btn bto btr btt btu bub bue bui bul bun buo bur but buu ebb ebe ebi ebl ebn ebo ebr ebt ebu eeb eee eel een eeo eer eet eib eie eii eil ein eio eir eit eiu elb ele eli ell eln elo elr elt elu en- enb ene eni enl enn eno enr ent enu eo- eob eoe eoi eol eon eoo eor eot eou erb ere eri erl ern ero err ert eru etb ete eti etl etn eto etr ett etu eu- eub eue eui eul eun eur eut ibb ibe ibi ibl ibn ibo ibr ibt ibu ie- iee iei iel ien ier iet iib iie iii iil iin iio iir iit iiu il- ilb ile ili ill iln ilo ilr ilt ilu in- inb ine ini inl inn ino inr int inu io- iob ioe ioi iol ion ioo ior iot iou ir- irb ire iri irl irn iro irr irt iru itb ite iti itl itn ito itt itu iu- iub iue iui iur iut lbb lbe lbi lbl lbo lbr lbt lbu leb lee lei lel len leo ler let leu lib lie lii lil lin lio lir lit liu llb lle lli lll lln llo llr llt llu lnb lne lni lnl lnn lno lnr lnt lnu lob loe loi lol lon loo lor lot lou lrb lri lrn lro lrr lrt lru ltb lte lti ltl lto ltr ltt ltu lub lue lui lul lun luo lur lut luu n-i nbb nbe nbi nbl nbn nbo nbr nbt nbu ne- neb nee nei nel nen neo ner net neu nib nie nii nil nin nio nir nit niu nlb nle nli nll nln nlo nlr nlt nlu nnb nne nni nnl nnn nno nnt nnu no- nob noe noi nol non noo nor not nou nrb nre nri nrl nrn nro nrr nrt nru ntb nte nti ntn nto ntr ntt ntu nub nue nui nul nun nuo nur nut nuu o-i ob- obb obe obi obl obn obo obr obt obu oeb oee oei oel oen oeo oer oet oib oie oii oil oin oio oir oit oiu olb ole oli oll oln olo olt olu on- onb one oni onl onn ono onr ont onu oo- oob ooi ool oon ooo oor oot or- orb ore ori orl orn oro orr ort oru ot- otb ote oti otl otn oto otr ott otu ou- oue oui oul oun ouo our out rbb rbe rbi rbl rbn rbo rbr rbt rbu re- reb ree rei rel ren reo rer ret reu rib rie rii ril rin rio rir rit rle rli rll rln rlo rlr rlt rlu rnb rni rnn rno rnr rnt rnu rob roe roi rol ron roo ror rot rou rrb rri rrl rrn rrr rrt rru rtb rte rti rtl rtn rto rtr rtt rtu rub rue rui run ruo rur rut ruu tbb tbe tbi tbl tbn tbo tbr tbt tbu te- teb tee tei tel ten teo ter tet teu tib tie tii til tin tio tir tit tiu tle tli tll tln tlo tlr tlt tlu tnb tne tni tnl tnn tno tnr tnt to- tob toe toi tol ton too tor tot tou trb tre tri trl trn tro trr trt tru ttb tte tti ttl ttn tto ttr ttt ttu tub tue tui tul tun tuo tur tut tuu ubb ube ubi ubl ubn ubo ubr ubt ubu ueb uee uei uel uen uer uet uib uie uii uil uin uio uir uit uiu ulb ule uli ull uln ulo ulr ult ulu un- unb une uni unl unn uno unr unt unu uob uoe uol uon uoo uor uot ur- urb ure uri url urn uro urr urt uru utb ute uti utl utn uto utr utt utu uue uun uur uut uuu