-er bbb bbe bbg bbi bbn bbo bbr be- beb bee beg bei ben beo ber bez bgb bge bgg bgi bgn bgo bgr bgz bi- bib bie big bii bin bio bir biz bnb bne bng bni bnn bno bnr bnz bob boe bog boi bon boo bor boz brb bre brg bri brn bro brr brz bze bzn bzo bzr bzz ebb ebe ebg ebi ebn ebo ebr eeb eee eeg een eeo eer egb ege egg egi egn ego egr eib eie eig eii ein eio eir en- enb ene eng eni enn eno enr enz eo- eob eoe eog eoi eon eoo eor erb ere erg eri ern ero err erz eze ezo ezr ezz gbe gbg gbi gbn gbo gbr gbz ge- geb gee geg gei gen geo ger gez ggb ggg ggi ggn ggo ggr ggz gib gie gig gii gin gio gir giz gnb gne gni gnn gno gnr gob goe gog goi gon goo gor goz grb gre grg gri grn gro grr gzo gzr ibb ibe ibg ibi ibn ibo ibr ibz ie- iee ieg iei ien ier igb ige igg igi ign igo igr iib iie iii iin iio iir in- inb ine ing ini inn ino inr io- iob ioe iog ioi ion ioo ior ir- irb ire irg iri irn iro irr ize izi izo izz n-i nbb nbe nbg nbi nbn nbo nbr ne- neb nee neg nei nen neo ner nez ngb nge ngg ngi ngn ngo nib nie nig nii nin nio nir niz nnb nne nng nni nnn nno nnz no- nob noe nog noi non noo nor noz nrb nre nrg nri nrn nro nrr nrz nzb nze nzg nzi nzo nzz o-i ob- obb obe obg obi obn obo obr oeb oee oeg oei oen oeo oer oge ogg ogi ogn ogo oib oie oii oin oio oir oiz on- onb one ong oni onn ono onr oo- oob oog ooi oon ooo oor or- orb ore org ori orn oro orr orz oze ozo ozz rbb rbe rbg rbi rbn rbo rbr re- reb ree reg rei ren reo rer rez rgb rge rgg rgi rgn rgo rgr rib rie rig rii rin rio rir riz rnb rng rni rnn rno rnr rnz rob roe rog roi ron roo ror roz rrb rrg rri rrn rrr rzb rze rzo z-g zbb zbr zeb zee zen zeo zer zez zgb zgg zgi zib zie zig zin zio zir ziz zne znn zno zo- zob zoe zog zoi zon zoo zor zro zzr zzz