-er bbb bbd bbe bbf bbg bbn bbo bbr bdb bdd bde bdf bdg bdo bdr be- beb bed bee bef beg ben beo ber bfb bfd bfe bff bfg bfn bfo bfr bgb bgd bge bgf bgg bgn bgo bgr bnb bnd bne bnf bng bnn bno bnr bob bod boe bof bog bon boo bor brb brd bre brf brg brn bro brr dbb dbd dbe dbf dbg dbn dbo dbr ddb ddd dde ddf ddg ddn ddo ddr de- deb ded dee def deg den deo der dfb dfd dfe dff dfg dfn dfo dfr dgd dge dgf dgg dgn dgr dnb dnd dne dnf dng dnn dno dnr dob dod doe dof dog don doo dor drb drd dre drg drn dro drr ebb ebd ebe ebf ebg ebn ebo ebr ed- edb edd ede edf edg edn edo edr eeb eed eee eef eeg een eeo eer ef- efb efd efe eff efg efo efr egb egd ege egf egg egn ego egr en- enb end ene enf eng enn eno enr eo- eob eod eoe eof eog eon eoo eor erb erd ere erf erg ern ero err fbb fbd fbe fbf fbg fbn fbo fbr fdb fdd fde fdf fdg fdn fdo fdr feb fed fee fef feg fen feo fer ffd ffe fff ffg ffn ffo ffr fgb fgd fge fgf fgg fgn fgr fnb fnd fne fnf fng fnn fnr fob foe fof fog fon foo for frb frd fre frf frg frn fro frr g-d gbd gbe gbf gbg gbn gbo gbr gdb gdd gde gdf gdn gdo gdr ge- geb ged gee gef geg gen geo ger gfb gfd gfe gff gfo gfr ggb ggd ggg ggn ggo ggr gnb gnd gne gnf gnn gno gnr gob god goe gof gog gon goo gor grb grd gre grf grg grn gro grr nbb nbd nbe nbf nbg nbn nbo nbr ndb ndd nde ndf ndg ndn ndo ndr ne- neb ned nee nef neg nen neo ner nfb nfd nfe nff nfn nfo nfr ngb ngd nge ngf ngg ngn ngo nnb nne nnf nng nnn nno no- nob nod noe nof nog non noo nor nrb nrd nre nrf nrg nrn nro nrr ob- obb obd obe obf obg obn obo obr odb odd ode odf odg odn odo odr oeb oed oee oef oeg oen oeo oer of- ofb ofd ofe off ofg ofn ofo ofr ogd oge ogf ogg ogn ogo on- onb ond one onf ong onn ono onr oo- oob ood oof oog oon ooo oor or- orb ord ore orf org orn oro orr rbb rbd rbe rbf rbg rbn rbo rbr rdb rdd rde rdf rdg rdn rdo rdr re- reb red ree ref reg ren reo rer rfb rfd rfe rff rfg rfn rfo rfr rgb rgd rge rgf rgg rgn rgo rgr rnb rnd rng rnn rno rnr rob rod roe rof rog ron roo ror rrb rrd rrf rrg rrn rrr