-er -ji bbb bbe bbg bbi bbn bbr bbs be- beb bee beg bei ben ber bes bgb bge bgg bgi bgn bgr bgs bi- bib bie big bii bij bin bir bis bjg bji bjj bjn bjr bjs bnb bne bng bni bnj bnn bnr bns brb bre brg bri brj brn brr brs bsb bse bsg bsi bsj bsn bsr bss ebb ebe ebg ebi ebj ebn ebr ebs eeb eee eeg een eer ees egb ege egg egi egn egr egs eib eie eig eii eij ein eir eis eji en- enb ene eng eni enn enr ens erb ere erg eri ern err ers es- esb ese esg esi esn esr ess gbe gbg gbi gbj gbn gbr gbs ge- geb gee geg gei gen ger ges ggb ggg ggi ggj ggn ggr ggs gib gie gig gii gij gin gir gis gje gjg gjr gnb gne gni gnn gnr gns grb gre grg gri grj grn grr grs gsb gse gsg gsi gsj gsn gsr gss ibb ibe ibg ibi ibj ibn ibr ibs ie- iee ieg iei iej ien ier ies igb ige igg igi ign igr igs iib iie iii iij iin iir iis ijb ije ijg iji ijn ijs in- inb ine ing ini inj inn inr ins ir- irb ire irg iri irj irn irr irs is- isb ise isg isi isj isn isr iss j-i jbg jbi jbj jbr jbs jeb jee jeg jei jej jen jer jes jgb jge jgi jgn jgr jgs jib jie jig jii jij jin jir jis jjb jjg jjj jjr jjs jne jng jnj jnn jnr jns jrb jrg jri jrn jrr jrs jsb jse jsg jsi jsj jsn jsr jss n-i nbb nbe nbg nbi nbn nbr nbs ne- neb nee neg nei nej nen ner nes ngb nge ngg ngi ngj ngn ngs nib nie nig nii nin nir nis nje njn njs nnb nne nng nni nnn nns nrb nre nrg nri nrj nrn nrr nrs nsb nse nsg nsi nsn nsr nss rbb rbe rbg rbi rbn rbr rbs re- reb ree reg rei ren rer res rgb rge rgg rgi rgn rgr rgs rib rie rig rii rin rir ris rjg rjr rnb rng rni rnn rnr rns rrb rrg rri rrn rrr rrs rsb rse rsg rsi rsj rsn rsr rss sbb sbe sbg sbi sbj sbn sbr sbs se- seb see seg sei sej sen ser ses sgb sge sgg sgi sgn sgr sgs sib sie sig sii sij sin sir sis sjb sje sji sjj sjr sjs snb sne sng sni snj snn snr sns sr- srb sre srg sri srj srn srr srs ss- ssb sse ssg ssi ssj ssn ssr sss