-er bbb bbe bbi bbm bbn bbo bbr be- beb bee bei bem ben beo ber bez bi- bib bie bii bim bin bio bir biz bmb bme bmi bmm bmn bmo bmr bmz bnb bne bni bnn bno bnr bnz bob boe boi bom bon boo bor boz brb bre bri brm brn bro brr brz bze bzn bzo bzr bzz ebb ebe ebi ebm ebn ebo ebr eeb eee eem een eeo eer eib eie eii eim ein eio eir em- emb eme emi emm emn emo emr en- enb ene eni enm enn eno enr enz eo- eob eoe eoi eom eon eoo eor erb ere eri erm ern ero err erz eze ezo ezr ezz ibb ibe ibi ibm ibn ibo ibr ibz ie- iee iei iem ien ier iib iie iii iim iin iio iir im- imb ime imi imm imn imo imz in- inb ine ini inm inn ino inr io- iob ioe ioi iom ion ioo ior ir- irb ire iri irm irn iro irr ize izi izm izo izz m-o m-r mbb mbe mbi mbm mbo mbr meb mee mei mem men meo mer mez mi- mib mie mii mim min mio mir miz mmb mme mmi mmm mmn mmo mmr mmz mnb mne mni mnm mnn mno mnr mnz mob moe moi mom mon moo mor moz mrb mre mri mrm mrn mro mrr mrz mzb mzi mzm mzn n-i nbb nbe nbi nbm nbn nbo nbr ne- neb nee nei nem nen neo ner nez nib nie nii nim nin nio nir niz nmb nme nmi nmm nmn nmo nmr nmz nnb nne nni nnm nnn nno nnz no- nob noe noi nom non noo nor noz nrb nre nri nrm nrn nro nrr nrz nzb nze nzi nzo nzz o-i ob- obb obe obi obm obn obo obr oeb oee oei oem oen oeo oer oib oie oii oim oin oio oir oiz om- omb ome omi omm omn omo omr omz on- onb one oni onn ono onr oo- oob ooi oom oon ooo oor or- orb ore ori orm orn oro orr orz oze ozm ozo ozz rbb rbe rbi rbm rbn rbo rbr re- reb ree rei rem ren reo rer rez rib rie rii rim rin rio rir riz rmb rme rmi rmm rmn rmo rmr rnb rni rnm rnn rno rnr rnz rob roe roi rom ron roo ror roz rrb rri rrm rrn rrr rzb rze rzm rzo zbb zbm zbr zeb zee zem zen zeo zer zez zib zie zim zin zio zir ziz zmb zmm zne znn zno zo- zob zoe zoi zom zon zoo zor zro zzr zzz