-er bbb bbd bbe bbg bbn bbo bbr bbs bdb bdd bde bdg bdo bdr bds be- beb bed bee beg ben beo ber bes bgb bgd bge bgg bgn bgo bgr bgs bnb bnd bne bng bnn bno bnr bns bob bod boe bog bon boo bor bos brb brd bre brg brn bro brr brs bsb bsd bse bsg bsn bso bsr bss dbb dbd dbe dbg dbn dbo dbr dbs ddb ddd dde ddg ddn ddo ddr dds de- deb ded dee deg den deo der des dgd dge dgg dgn dgr dgs dnb dnd dne dng dnn dno dnr dns dob dod doe dog don doo dor dos drb drd dre drg drn dro drr drs dsb dsd dse dsg dsn dso dsr dss ebb ebd ebe ebg ebn ebo ebr ebs ed- edb edd ede edg edn edo edr eds eeb eed eee eeg een eeo eer ees egb egd ege egg egn ego egr egs en- enb end ene eng enn eno enr ens eo- eob eod eoe eog eon eoo eor eos erb erd ere erg ern ero err ers es- esb esd ese esg esn eso esr ess g-d gbd gbe gbg gbn gbo gbr gbs gdb gdd gde gdn gdo gdr gds ge- geb ged gee geg gen geo ger ges ggb ggd ggg ggn ggo ggr ggs gnb gnd gne gnn gno gnr gns gob god goe gog gon goo gor gos grb grd gre grg grn gro grr grs gsb gsd gse gsg gsn gso gsr gss nbb nbd nbe nbg nbn nbo nbr nbs ndb ndd nde ndg ndn ndo ndr nds ne- neb ned nee neg nen neo ner nes ngb ngd nge ngg ngn ngo ngs nnb nne nng nnn nno nns no- nob nod noe nog non noo nor nos nrb nrd nre nrg nrn nro nrr nrs nsb nsd nse nsg nsn nso nsr nss ob- obb obd obe obg obn obo obr obs odb odd ode odg odn odo odr ods oeb oed oee oeg oen oeo oer oes ogd oge ogg ogn ogo ogs on- onb ond one ong onn ono onr ons oo- oob ood oog oon ooo oor oos or- orb ord ore org orn oro orr ors os- osb osd ose osg osn oso osr oss rbb rbd rbe rbg rbn rbo rbr rbs rdb rdd rde rdg rdn rdo rdr rds re- reb red ree reg ren reo rer res rgb rgd rge rgg rgn rgo rgr rgs rnb rnd rng rnn rno rnr rns rob rod roe rog ron roo ror ros rrb rrd rrg rrn rrr rrs rsb rsd rse rsg rsn rso rsr rss sbb sbd sbe sbg sbn sbo sbr sbs sdb sdd sde sdg sdn sdo sdr sds se- seb sed see seg sen seo ser ses sgb sgd sge sgg sgn sgo sgr sgs snb snd sne sng snn sno snr sns sob sod soe sog son soo sor sos sr- srb srd sre srg srn sro srr srs ss- ssb ssd sse ssg ssn sso ssr sss