-er -ol bbb bbe bbf bbh bbl bbn bbo bbr be- beb bee bef beh bel ben beo ber bfb bfe bff bfh bfl bfn bfo bfr bhb bhe bhf bhh bhl bho bhr blb ble blf blh bll bln blo blr bnb bne bnf bnl bnn bno bnr bob boe bof boh bol bon boo bor brb bre brf brh brl brn bro brr ebb ebe ebf ebh ebl ebn ebo ebr eeb eee eef eel een eeo eer ef- efb efe eff efh efl efo efr ehb ehe ehf ehh ehl ehn eho ehr elb ele elf elh ell eln elo elr en- enb ene enf enh enl enn eno enr eo- eob eoe eof eoh eol eon eoo eor erb ere erf erh erl ern ero err fbb fbe fbf fbh fbl fbn fbo fbr feb fee fef feh fel fen feo fer ffe fff ffh ffl ffn ffo ffr fhb fhe fhf fhh fhl fhn fho fhr flb fle flf fll fln flo flr fnb fne fnf fnh fnl fnn fnr fob foe fof foh fol fon foo for frb fre frf frh frl frn fro frr hbb hbe hbf hbh hbl hbn hbo hbr he- heb hee hef heh hel hen heo her hfb hfe hff hfh hfl hfn hfo hfr hhb hhe hhf hhh hhl hhn hho hhr hlb hle hlf hlh hll hln hlo hlr hnb hne hnf hnh hnl hnn hno hob hoe hof hoh hol hon hoo hor hr- hrb hre hrf hrh hrl hrn hro hrr lbb lbe lbf lbh lbl lbo lbr leb lee lef leh lel len leo ler lfb lfe lff lfh lfl lfn lfo lfr lhb lhf lhh lho lhr llb lle llf lll lln llo llr lnb lne lnh lnl lnn lno lnr lob loe lof loh lol lon loo lor lrb lrf lrh lrn lro lrr nbb nbe nbf nbl nbn nbo nbr ne- neb nee nef neh nel nen neo ner nfb nfe nff nfl nfn nfo nfr nhb nhe nhf nhh nhl nhn nhr nlb nle nlf nlh nll nln nlo nlr nnb nne nnf nnh nnl nnn nno no- nob noe nof noh nol non noo nor nrb nre nrf nrl nrn nro nrr ob- obb obe obf obh obl obn obo obr oeb oee oef oeh oel oen oeo oer of- ofb ofe off ofl ofn ofo ofr ohe ohf ohh ohl ohn oho ohr olb ole olf oll oln olo on- onb one onf onh onl onn ono onr oo- oob oof ooh ool oon ooo oor or- orb ore orf orh orl orn oro orr rbb rbe rbf rbh rbl rbn rbo rbr re- reb ree ref reh rel ren reo rer rfb rfe rff rfh rfl rfn rfo rfr rh- rhb rhe rhf rhh rhl rhn rho rhr rle rlf rlh rll rln rlo rlr rnb rnh rnn rno rnr rob roe rof roh rol ron roo ror rrb rrf rrh rrl rrn rrr