-er bbb bbd bbe bbf bbh bbn bbo bbr bdb bdd bde bdf bdh bdo bdr be- beb bed bee bef beh ben beo ber bfb bfd bfe bff bfh bfn bfo bfr bhb bhd bhe bhf bhh bho bhr bnb bnd bne bnf bnn bno bnr bob bod boe bof boh bon boo bor brb brd bre brf brh brn bro brr dbb dbd dbe dbf dbh dbn dbo dbr ddb ddd dde ddf ddh ddn ddo ddr de- deb ded dee def deh den deo der dfb dfd dfe dff dfh dfn dfo dfr dh- dhb dhd dhe dhf dhh dho dhr dnb dnd dne dnf dnh dnn dno dnr dob dod doe dof doh don doo dor drb drd dre drn dro drr ebb ebd ebe ebf ebh ebn ebo ebr ed- edb edd ede edf edh edn edo edr eeb eed eee eef een eeo eer ef- efb efd efe eff efh efo efr ehb ehd ehe ehf ehh ehn eho ehr en- enb end ene enf enh enn eno enr eo- eob eod eoe eof eoh eon eoo eor erb erd ere erf erh ern ero err fbb fbd fbe fbf fbh fbn fbo fbr fdb fdd fde fdf fdh fdn fdo fdr feb fed fee fef feh fen feo fer ffd ffe fff ffh ffn ffo ffr fhb fhe fhf fhh fhn fho fhr fnb fnd fne fnf fnh fnn fnr fob foe fof foh fon foo for frb frd fre frf frh frn fro frr hbb hbd hbe hbf hbh hbn hbo hbr hdb hdd hde hdf hdh hdn hdo hdr he- heb hed hee hef heh hen heo her hfb hfd hfe hff hfh hfn hfo hfr hhb hhd hhe hhf hhh hhn hho hhr hnb hnd hne hnf hnh hnn hno hob hod hoe hof hoh hon hoo hor hr- hrb hrd hre hrf hrh hrn hro hrr nbb nbd nbe nbf nbn nbo nbr ndb ndd nde ndf ndh ndn ndo ndr ne- neb ned nee nef neh nen neo ner nfb nfd nfe nff nfn nfo nfr nhb nhd nhe nhf nhh nhn nhr nnb nne nnf nnh nnn nno no- nob nod noe nof noh non noo nor nrb nrd nre nrf nrn nro nrr ob- obb obd obe obf obh obn obo obr odb odd ode odf odh odn odo odr oeb oed oee oef oeh oen oeo oer of- ofb ofd ofe off ofn ofo ofr ohd ohe ohf ohh ohn oho ohr on- onb ond one onf onh onn ono onr oo- oob ood oof ooh oon ooo oor or- orb ord ore orf orh orn oro orr rbb rbd rbe rbf rbh rbn rbo rbr rdb rdd rde rdf rdh rdn rdo rdr re- reb red ree ref reh ren reo rer rfb rfd rfe rff rfh rfn rfo rfr rh- rhb rhd rhe rhf rhh rhn rho rhr rnb rnd rnh rnn rno rnr rob rod roe rof roh ron roo ror rrb rrd rrf rrh rrn rrr