-er bbb bbd bbe bbf bbg bbi bbn bbo bbr bbs bdb bdd bde bdf bdg bdi bdo bdr bds be- beb bed bee bef beg bei ben beo ber bes bfb bfd bfe bff bfg bfi bfn bfo bfr bfs bgb bgd bge bgf bgg bgi bgn bgo bgr bgs bi- bib bid bie bif big bii bin bio bir bis bnb bnd bne bnf bng bni bnn bno bnr bns bob bod boe bof bog boi bon boo bor bos brb brd bre brf brg bri brn bro brr brs bsb bsd bse bsf bsg bsi bsn bso bsr bss dbb dbd dbe dbf dbg dbi dbn dbo dbr dbs ddb ddd dde ddf ddg ddi ddn ddo ddr dds de- deb ded dee def deg dei den deo der des dfb dfd dfe dff dfg dfi dfn dfo dfr dfs dgd dge dgf dgg dgi dgn dgr dgs di- dib did die dif dig dii din dio dir dis dnb dnd dne dnf dng dni dnn dno dnr dns dob dod doe dof dog doi don doo dor dos drb drd dre drg dri drn dro drr drs dsb dsd dse dsf dsg dsi dsn dso dsr dss ebb ebd ebe ebf ebg ebi ebn ebo ebr ebs ed- edb edd ede edf edg edi edn edo edr eds eeb eed eee eef eeg een eeo eer ees ef- efb efd efe eff efg efi efo efr efs egb egd ege egf egg egi egn ego egr egs eib eid eie eif eig eii ein eio eir eis en- enb end ene enf eng eni enn eno enr ens eo- eob eod eoe eof eog eoi eon eoo eor eos erb erd ere erf erg eri ern ero err ers es- esb esd ese esf esg esi esn eso esr ess fbb fbd fbe fbf fbg fbi fbn fbo fbr fbs fdb fdd fde fdf fdg fdi fdn fdo fdr fds feb fed fee fef feg fei fen feo fer fes ffd ffe fff ffg ffi ffn ffo ffr ffs fgb fgd fge fgf fgg fgi fgn fgr fgs fib fid fie fif fig fii fin fir fis fnb fnd fne fnf fng fni fnn fnr fns fob foe fof fog foi fon foo for fos frb frd fre frf frg fri frn fro frr frs fsb fsd fse fsf fsg fsi fsn fso fsr fss g-d gbd gbe gbf gbg gbi gbn gbo gbr gbs gdb gdd gde gdf gdi gdn gdo gdr gds ge- geb ged gee gef geg gei gen geo ger ges gfb gfd gfe gff gfi gfo gfr gfs ggb ggd ggg ggi ggn ggo ggr ggs gib gid gie gif gig gii gin gio gir gis gnb gnd gne gnf gni gnn gno gnr gns gob god goe gof gog goi gon goo gor gos grb grd gre grf grg gri grn gro grr grs gsb gsd gse gsf gsg gsi gsn gso gsr gss i-d i-f ibb ibd ibe ibf ibg ibi ibn ibo ibr ibs idb idd ide idf idg idi idn ido idr ids ie- ied iee ief ieg iei ien ier ies ifb ifd ife iff ifg ifi ifn ifo ifr ifs igb igd ige igf igg igi ign igo igr igs iib iid iie iif iii iin iio iir iis in- inb ind ine inf ing ini inn ino inr ins io- iob iod ioe iof iog ioi ion ioo ior ios ir- irb ird ire irf irg iri irn iro irr irs is- isb isd ise isf isg isi isn iso isr iss n-i nbb nbd nbe nbf nbg nbi nbn nbo nbr nbs ndb ndd nde ndf ndg ndi ndn ndo ndr nds ne- neb ned nee nef neg nei nen neo ner nes nfb nfd nfe nff nfi nfn nfo nfr nfs ngb ngd nge ngf ngg ngi ngn ngo ngs nib nid nie nif nig nii nin nio nir nis nnb nne nnf nng nni nnn nno nns no- nob nod noe nof nog noi non noo nor nos nrb nrd nre nrf nrg nri nrn nro nrr nrs nsb nsd nse nsf nsg nsi nsn nso nsr nss o-i ob- obb obd obe obf obg obi obn obo obr obs odb odd ode odf odg odi odn odo odr ods oeb oed oee oef oeg oei oen oeo oer oes of- ofb ofd ofe off ofg ofi ofn ofo ofr ofs ogd oge ogf ogg ogi ogn ogo ogs oib oid oie oif oii oin oio oir ois on- onb ond one onf ong oni onn ono onr ons oo- oob ood oof oog ooi oon ooo oor oos or- orb ord ore orf org ori orn oro orr ors os- osb osd ose osf osg osi osn oso osr oss rbb rbd rbe rbf rbg rbi rbn rbo rbr rbs rdb rdd rde rdf rdg rdi rdn rdo rdr rds re- reb red ree ref reg rei ren reo rer res rfb rfd rfe rff rfg rfi rfn rfo rfr rfs rgb rgd rge rgf rgg rgi rgn rgo rgr rgs rib rid rie rif rig rii rin rio rir ris rnb rnd rng rni rnn rno rnr rns rob rod roe rof rog roi ron roo ror ros rrb rrd rrf rrg rri rrn rrr rrs rsb rsd rse rsf rsg rsi rsn rso rsr rss sbb sbd sbe sbf sbg sbi sbn sbo sbr sbs sdb sdd sde sdf sdg sdi sdn sdo sdr sds se- seb sed see sef seg sei sen seo ser ses sfb sfd sfe sff sfg sfi sfn sfo sfr sfs sgb sgd sge sgf sgg sgi sgn sgo sgr sgs sib sid sie sif sig sii sin sio sir sis snb snd sne snf sng sni snn sno snr sns sob sod soe sof sog soi son soo sor sos sr- srb srd sre srf srg sri srn sro srr srs ss- ssb ssd sse ssf ssg ssi ssn sso ssr sss