-er bbb bbe bbg bbi bbn bbr bbw be- beb bee beg bei ben ber bew bez bgb bge bgg bgi bgn bgr bgw bgz bi- bib bie big bii bin bir biw biz bnb bne bng bni bnn bnr bnw bnz brb bre brg bri brn brr brw brz bwb bwg bwi bwr bze bzn bzr bzz ebb ebe ebg ebi ebn ebr ebw eeb eee eeg een eer eew egb ege egg egi egn egr egw eib eie eig eii ein eir en- enb ene eng eni enn enr enw enz erb ere erg eri ern err erw erz ewb ewe ewi ewr eww eze ezr ezz gbe gbg gbi gbn gbr gbw gbz ge- geb gee geg gei gen ger gew gez ggb ggg ggi ggn ggr ggw ggz gib gie gig gii gin gir giz gnb gne gni gnn gnr gnw grb gre grg gri grn grr grw gwb gwe gwg gwi gwn gwr gzr ibb ibe ibg ibi ibn ibr ibw ibz ie- iee ieg iei ien ier igb ige igg igi ign igr igw iib iie iii iin iir iiw in- inb ine ing ini inn inr ir- irb ire irg iri irn irr iwb iwe iwg iwi iwr iww iwz ize izi izz n-i nbb nbe nbg nbi nbn nbr nbw ne- neb nee neg nei nen ner new nez ngb nge ngg ngi ngn ngw nib nie nig nii nin nir niz nnb nne nng nni nnn nnw nnz nrb nre nrg nri nrn nrr nrw nrz nwb nwe nwi nwn nwr nzb nze nzg nzi nzz rbb rbe rbg rbi rbn rbr rbw re- reb ree reg rei ren rer rew rez rgb rge rgg rgi rgn rgr rgw rib rie rig rii rin rir riz rnb rng rni rnn rnr rnw rnz rrb rrg rri rrn rrr rwb rwe rwi rwr rzb rze wbb wbe wbg wbi wbn wbr wbw wbz web wee weg wei wen wer wew wez wgb wgi wgn wgr wgw wgz wib wie wig wii win wir wiz wn- wne wng wnn wnw wr- wre wrg wri wrn wrr wrw wwe wwi wwn www z-g zbb zbr zbw zeb zee zen zer zez zgb zgg zgi zib zie zig zin zir ziw ziz zne znn zzr zzz