-er -ol bbb bbd bbe bbf bbh bbl bbn bbo bbr bdb bdd bde bdf bdh bdl bdo bdr be- beb bed bee bef beh bel ben beo ber bfb bfd bfe bff bfh bfl bfn bfo bfr bhb bhd bhe bhf bhh bhl bho bhr blb bld ble blf blh bll bln blo blr bnb bnd bne bnf bnl bnn bno bnr bob bod boe bof boh bol bon boo bor brb brd bre brf brh brl brn bro brr dbb dbd dbe dbf dbh dbl dbn dbo dbr ddb ddd dde ddf ddh ddl ddn ddo ddr de- deb ded dee def deh del den deo der dfb dfd dfe dff dfh dfl dfn dfo dfr dh- dhb dhd dhe dhf dhh dhl dho dhr dl- dlb dld dle dlf dlh dll dlo dlr dnb dnd dne dnf dnh dnl dnn dno dnr dob dod doe dof doh dol don doo dor drb drd dre drl drn dro drr ebb ebd ebe ebf ebh ebl ebn ebo ebr ed- edb edd ede edf edh edl edn edo edr eeb eed eee eef eel een eeo eer ef- efb efd efe eff efh efl efo efr ehb ehd ehe ehf ehh ehl ehn eho ehr elb eld ele elf elh ell eln elo elr en- enb end ene enf enh enl enn eno enr eo- eob eod eoe eof eoh eol eon eoo eor erb erd ere erf erh erl ern ero err fbb fbd fbe fbf fbh fbl fbn fbo fbr fdb fdd fde fdf fdh fdl fdn fdo fdr feb fed fee fef feh fel fen feo fer ffd ffe fff ffh ffl ffn ffo ffr fhb fhe fhf fhh fhl fhn fho fhr flb fld fle flf fll fln flo flr fnb fnd fne fnf fnh fnl fnn fnr fob foe fof foh fol fon foo for frb frd fre frf frh frl frn fro frr hbb hbd hbe hbf hbh hbl hbn hbo hbr hdb hdd hde hdf hdh hdl hdn hdo hdr he- heb hed hee hef heh hel hen heo her hfb hfd hfe hff hfh hfl hfn hfo hfr hhb hhd hhe hhf hhh hhl hhn hho hhr hlb hld hle hlf hlh hll hln hlo hlr hnb hnd hne hnf hnh hnl hnn hno hob hod hoe hof hoh hol hon hoo hor hr- hrb hrd hre hrf hrh hrl hrn hro hrr lbb lbd lbe lbf lbh lbl lbo lbr ldb ldd lde ldf ldh ldl ldn ldo ldr leb led lee lef leh lel len leo ler lfb lfd lfe lff lfh lfl lfn lfo lfr lhb lhd lhf lhh lho lhr llb lld lle llf lll lln llo llr lnb lnd lne lnh lnl lnn lno lnr lob lod loe lof loh lol lon loo lor lrb lrd lrf lrh lrn lro lrr nbb nbd nbe nbf nbl nbn nbo nbr ndb ndd nde ndf ndh ndl ndn ndo ndr ne- neb ned nee nef neh nel nen neo ner nfb nfd nfe nff nfl nfn nfo nfr nhb nhd nhe nhf nhh nhl nhn nhr nlb nld nle nlf nlh nll nln nlo nlr nnb nne nnf nnh nnl nnn nno no- nob nod noe nof noh nol non noo nor nrb nrd nre nrf nrl nrn nro nrr ob- obb obd obe obf obh obl obn obo obr odb odd ode odf odh odl odn odo odr oeb oed oee oef oeh oel oen oeo oer of- ofb ofd ofe off ofl ofn ofo ofr ohd ohe ohf ohh ohl ohn oho ohr olb old ole olf oll oln olo on- onb ond one onf onh onl onn ono onr oo- oob ood oof ooh ool oon ooo oor or- orb ord ore orf orh orl orn oro orr rbb rbd rbe rbf rbh rbl rbn rbo rbr rdb rdd rde rdf rdh rdl rdn rdo rdr re- reb red ree ref reh rel ren reo rer rfb rfd rfe rff rfh rfl rfn rfo rfr rh- rhb rhd rhe rhf rhh rhl rhn rho rhr rld rle rlf rlh rll rln rlo rlr rnb rnd rnh rnn rno rnr rob rod roe rof roh rol ron roo ror rrb rrd rrf rrh rrl rrn rrr