-er bbb bbe bbg bbi bbm bbn bbo bbr be- beb bee beg bei bem ben beo ber bez bgb bge bgg bgi bgm bgn bgo bgr bgz bi- bib bie big bii bim bin bio bir biz bmb bme bmg bmi bmm bmn bmo bmr bmz bnb bne bng bni bnn bno bnr bnz bob boe bog boi bom bon boo bor boz brb bre brg bri brm brn bro brr brz bze bzn bzo bzr bzz ebb ebe ebg ebi ebm ebn ebo ebr eeb eee eeg eem een eeo eer egb ege egg egi egm egn ego egr eib eie eig eii eim ein eio eir em- emb eme emg emi emm emn emo emr en- enb ene eng eni enm enn eno enr enz eo- eob eoe eog eoi eom eon eoo eor erb ere erg eri erm ern ero err erz eze ezo ezr ezz gbe gbg gbi gbm gbn gbo gbr gbz ge- geb gee geg gei gem gen geo ger gez ggb ggg ggi ggm ggn ggo ggr ggz gib gie gig gii gim gin gio gir giz gmb gme gmg gmi gmm gmn gmo gmr gmz gnb gne gni gnm gnn gno gnr gob goe gog goi gom gon goo gor goz grb gre grg gri grm grn gro grr gzo gzr ibb ibe ibg ibi ibm ibn ibo ibr ibz ie- iee ieg iei iem ien ier igb ige igg igi igm ign igo igr iib iie iii iim iin iio iir im- imb ime img imi imm imn imo imz in- inb ine ing ini inm inn ino inr io- iob ioe iog ioi iom ion ioo ior ir- irb ire irg iri irm irn iro irr ize izi izm izo izz m-o m-r mbb mbe mbg mbi mbm mbo mbr meb mee meg mei mem men meo mer mez mgb mge mgi mgm mgn mgo mgr mgz mi- mib mie mig mii mim min mio mir miz mmb mme mmg mmi mmm mmn mmo mmr mmz mnb mne mng mni mnm mnn mno mnr mnz mob moe mog moi mom mon moo mor moz mrb mre mrg mri mrm mrn mro mrr mrz mzb mzi mzm mzn n-i nbb nbe nbg nbi nbm nbn nbo nbr ne- neb nee neg nei nem nen neo ner nez ngb nge ngg ngi ngm ngn ngo nib nie nig nii nim nin nio nir niz nmb nme nmg nmi nmm nmn nmo nmr nmz nnb nne nng nni nnm nnn nno nnz no- nob noe nog noi nom non noo nor noz nrb nre nrg nri nrm nrn nro nrr nrz nzb nze nzg nzi nzo nzz o-i ob- obb obe obg obi obm obn obo obr oeb oee oeg oei oem oen oeo oer oge ogg ogi ogn ogo oib oie oii oim oin oio oir oiz om- omb ome omg omi omm omn omo omr omz on- onb one ong oni onn ono onr oo- oob oog ooi oom oon ooo oor or- orb ore org ori orm orn oro orr orz oze ozm ozo ozz rbb rbe rbg rbi rbm rbn rbo rbr re- reb ree reg rei rem ren reo rer rez rgb rge rgg rgi rgn rgo rgr rib rie rig rii rim rin rio rir riz rmb rme rmg rmi rmm rmn rmo rmr rnb rng rni rnm rnn rno rnr rnz rob roe rog roi rom ron roo ror roz rrb rrg rri rrm rrn rrr rzb rze rzm rzo z-g zbb zbm zbr zeb zee zem zen zeo zer zez zgb zgg zgi zib zie zig zim zin zio zir ziz zmb zmm zne znn zno zo- zob zoe zog zoi zom zon zoo zor zro zzr zzz