-er bbb bbd bbe bbg bbi bbk bbn bbr bbs bdb bdd bde bdg bdi bdk bdr bds be- beb bed bee beg bei bek ben ber bes bgb bgd bge bgg bgi bgk bgn bgr bgs bi- bib bid bie big bii bik bin bir bis bkb bke bkg bkk bkn bkr bks bnb bnd bne bng bni bnk bnn bnr bns brb brd bre brg bri brk brn brr brs bsb bsd bse bsg bsi bsk bsn bsr bss dbb dbd dbe dbg dbi dbk dbn dbr dbs ddb ddd dde ddg ddi ddk ddn ddr dds de- deb ded dee deg dei dek den der des dgd dge dgg dgi dgk dgn dgr dgs di- dib did die dig dii dik din dir dis dkb dke dkg dki dkk dkr dks dnb dnd dne dng dni dnk dnn dnr dns drb drd dre drg dri drk drn drr drs dsb dsd dse dsg dsi dsk dsn dsr dss ebb ebd ebe ebg ebi ebk ebn ebr ebs ed- edb edd ede edg edi edk edn edr eds eeb eed eee eeg eek een eer ees egb egd ege egg egi egn egr egs eib eid eie eig eii eik ein eir eis ekb ekd eke ekg eki ekr eks en- enb end ene eng eni enk enn enr ens erb erd ere erg eri erk ern err ers es- esb esd ese esg esi esk esn esr ess g-d gbd gbe gbg gbi gbk gbn gbr gbs gdb gdd gde gdi gdk gdn gdr gds ge- geb ged gee geg gei gek gen ger ges ggb ggd ggg ggi ggn ggr ggs gib gid gie gig gii gik gin gir gis gkb gkd gkn gks gnb gnd gne gni gnn gnr gns grb grd gre grg gri grk grn grr grs gsb gsd gse gsg gsi gsk gsn gsr gss i-d ibb ibd ibe ibg ibi ibk ibn ibr ibs idb idd ide idg idi idk idn idr ids ie- ied iee ieg iei iek ien ier ies igb igd ige igg igi igk ign igr igs iib iid iie iii iin iir iis ikb ike iki ikk ikr iks in- inb ind ine ing ini ink inn inr ins ir- irb ird ire irg iri irk irn irr irs is- isb isd ise isg isi isk isn isr iss kbb kbd kbe kbi kbk kbn kbr kbs kdb kde kdg kdk kdr kds ke- keb ked kee keg kei kek ken ker kes kgb kgd kgi kgs kib kid kie kig kii kik kin kir kis kkb kke kki kkk kkn kkr kks kn- knd kne kng kni knk knn knr krd krg kri krk krn krr krs ksb ksd kse ksg ksi ksk ksn ksr kss n-i nbb nbd nbe nbg nbi nbk nbn nbr nbs ndb ndd nde ndg ndi ndk ndn ndr nds ne- neb ned nee neg nei nek nen ner nes ngb ngd nge ngg ngi ngk ngn ngs nib nid nie nig nii nik nin nir nis nke nki nkk nkn nkr nks nnb nne nng nni nnk nnn nns nrb nrd nre nrg nri nrk nrn nrr nrs nsb nsd nse nsg nsi nsk nsn nsr nss rbb rbd rbe rbg rbi rbk rbn rbr rbs rdb rdd rde rdg rdi rdn rdr rds re- reb red ree reg rei rek ren rer res rgb rgd rge rgg rgi rgk rgn rgr rgs rib rid rie rig rii rik rin rir ris rkb rke rkg rkk rks rnb rnd rng rni rnn rnr rns rrb rrd rrg rri rrk rrn rrr rrs rsb rsd rse rsg rsi rsk rsn rsr rss sbb sbd sbe sbg sbi sbk sbn sbr sbs sdb sdd sde sdg sdi sdk sdn sdr sds se- seb sed see seg sei sek sen ser ses sgb sgd sge sgg sgi sgk sgn sgr sgs sib sid sie sig sii sik sin sir sis sk- skb skd ske skg ski skk skr sks snb snd sne sng sni snk snn snr sns sr- srb srd sre srg sri srk srn srr srs ss- ssb ssd sse ssg ssi ssk ssn ssr sss