-er bbb bbe bbf bbg bbi bbn bbo bbr bbs be- beb bee bef beg bei ben beo ber bes bev bfb bfe bff bfg bfi bfn bfo bfr bfs bfv bgb bge bgf bgg bgi bgn bgo bgr bgs bgv bi- bib bie bif big bii bin bio bir bis biv bnb bne bnf bng bni bnn bno bnr bns bnv bob boe bof bog boi bon boo bor bos bov brb bre brf brg bri brn bro brr brs brv bsb bse bsf bsg bsi bsn bso bsr bss bsv bvb bve bvg bvi bvn bvo bvr bvs bvv ebb ebe ebf ebg ebi ebn ebo ebr ebs ebv eeb eee eef eeg een eeo eer ees eev ef- efb efe eff efg efi efo efr efs egb ege egf egg egi egn ego egr egs eib eie eif eig eii ein eio eir eis eiv en- enb ene enf eng eni enn eno enr ens env eo- eob eoe eof eog eoi eon eoo eor eos erb ere erf erg eri ern ero err ers erv es- esb ese esf esg esi esn eso esr ess esv evb eve evf evg evi evn evo evr evs evv fbb fbe fbf fbg fbi fbn fbo fbr fbs feb fee fef feg fei fen feo fer fes fev ffe fff ffg ffi ffn ffo ffr ffs ffv fgb fge fgf fgg fgi fgn fgr fgs fgv fib fie fif fig fii fin fir fis fnb fne fnf fng fni fnn fnr fns fnv fob foe fof fog foi fon foo for fos frb fre frf frg fri frn fro frr frs fsb fse fsf fsg fsi fsn fso fsr fss fsv fvg gbe gbf gbg gbi gbn gbo gbr gbs gbv ge- geb gee gef geg gei gen geo ger ges gev gfb gfe gff gfi gfo gfr gfs ggb ggg ggi ggn ggo ggr ggs ggv gib gie gif gig gii gin gio gir gis giv gnb gne gnf gni gnn gno gnr gns gnv gob goe gof gog goi gon goo gor gos gov grb gre grf grg gri grn gro grr grs grv gsb gse gsf gsg gsi gsn gso gsr gss gsv gvb gve gvf gvg gvi gvn gvo gvr gvs i-f i-v ibb ibe ibf ibg ibi ibn ibo ibr ibs ibv ie- iee ief ieg iei ien ier ies iev ifb ife iff ifg ifi ifn ifo ifr ifs igb ige igf igg igi ign igo igr igs iib iie iif iii iin iio iir iis in- inb ine inf ing ini inn ino inr ins inv io- iob ioe iof iog ioi ion ioo ior ios iov ir- irb ire irf irg iri irn iro irr irs irv is- isb ise isf isg isi isn iso isr iss isv ivb ive ivf ivg ivi ivo ivr ivs ivv n-i nbb nbe nbf nbg nbi nbn nbo nbr nbs nbv ne- neb nee nef neg nei nen neo ner nes nev nfb nfe nff nfi nfn nfo nfr nfs nfv ngb nge ngf ngg ngi ngn ngo ngs nib nie nif nig nii nin nio nir nis niv nnb nne nnf nng nni nnn nno nns nnv no- nob noe nof nog noi non noo nor nos nov nrb nre nrf nrg nri nrn nro nrr nrs nrv nsb nse nsf nsg nsi nsn nso nsr nss nsv nvb nve nvg nvi nvn nvv o-i ob- obb obe obf obg obi obn obo obr obs obv oeb oee oef oeg oei oen oeo oer oes of- ofb ofe off ofg ofi ofn ofo ofr ofs ofv oge ogf ogg ogi ogn ogo ogs oib oie oif oii oin oio oir ois oiv on- onb one onf ong oni onn ono onr ons oo- oob oof oog ooi oon ooo oor oos oov or- orb ore orf org ori orn oro orr ors orv os- osb ose osf osg osi osn oso osr oss osv ov- ovb ove ovf ovi ovo ovs ovv rbb rbe rbf rbg rbi rbn rbo rbr rbs re- reb ree ref reg rei ren reo rer res rev rfb rfe rff rfg rfi rfn rfo rfr rfs rfv rgb rge rgf rgg rgi rgn rgo rgr rgs rgv rib rie rif rig rii rin rio rir ris riv rnb rng rni rnn rno rnr rns rnv rob roe rof rog roi ron roo ror ros rov rrb rrf rrg rri rrn rrr rrs rsb rse rsf rsg rsi rsn rso rsr rss rsv rvb rve rvf rvg rvi rvn rvo rvr rvs rvv sbb sbe sbf sbg sbi sbn sbo sbr sbs sbv se- seb see sef seg sei sen seo ser ses sev sfb sfe sff sfg sfi sfn sfo sfr sfs sfv sgb sge sgf sgg sgi sgn sgo sgr sgs sgv sib sie sif sig sii sin sio sir sis siv snb sne snf sng sni snn sno snr sns snv sob soe sof sog soi son soo sor sos sov sr- srb sre srf srg sri srn sro srr srs srv ss- ssb sse ssf ssg ssi ssn sso ssr sss ssv svb sve svf svg svi svn svo svr svs svv v-e vbg vbi vbo vbr vbs vbv veb vee vef veg vei ven veo ver ves vfb vff vfg vfi vfn vfr vfs vfv vgf vgg vgn vgo vgr vgs vi- vib vie vif vig vii vin vio vir vis viv vn- vnf vng vni vno vnr vns vnv vob voe vof vog voi von voo vor vos vov vrb vre vrf vrg vri vrn vrr vrs vsb vse vsf vsg vsi vsn vso vsr vss vsv vvb vvg vvi vvo vvr vvs vvv