-er -ey bbb bbe bbi bbn bbo bbr bby be- beb bee bei ben beo ber bey bez bi- bib bie bii bin bio bir biy biz bnb bne bni bnn bno bnr bnz bob boe boi bon boo bor boy boz brb bre bri brn bro brr bry brz by- bye byi byn byo byr byz bze bzn bzo bzr bzz ebb ebe ebi ebn ebo ebr eby eeb eee een eeo eer eey eib eie eii ein eio eir en- enb ene eni enn eno enr eny enz eo- eob eoe eoi eon eoo eor erb ere eri ern ero err ery erz eye eyn eyo eyr eze ezo ezr ezz ibb ibe ibi ibn ibo ibr iby ibz ie- iee iei ien ier iey iib iie iii iin iio iir in- inb ine ini inn ino inr iny io- iob ioe ioi ion ioo ior ir- irb ire iri irn iro irr iry iye iyo iyr iyy ize izi izo izy izz n-i nbb nbe nbi nbn nbo nbr ne- neb nee nei nen neo ner ney nez nib nie nii nin nio nir niz nnb nne nni nnn nno nnz no- nob noe noi non noo nor noy noz nrb nre nri nrn nro nrr nry nrz nye nyn nyo nyy nzb nze nzi nzo nzz o-i ob- obb obe obi obn obo obr oby oeb oee oei oen oeo oer oey oib oie oii oin oio oir oiz on- onb one oni onn ono onr ony oo- oob ooi oon ooo oor or- orb ore ori orn oro orr ory orz oye oyi oyo oze ozo ozz rbb rbe rbi rbn rbo rbr re- reb ree rei ren reo rer rey rez rib rie rii rin rio rir riy riz rnb rni rnn rno rnr rny rnz rob roe roi ron roo ror roy roz rrb rri rrn rrr ry- rye ryn ryo ryr ryy ryz rzb rze rzo rzy ybe ybi ybr yby ybz yeb yee yei yen yeo yer yey yez yie yii yin yio yir yiz yne ynn yny yob yoe yoi yon yoo yor yoy yre yrn yro yyb yye yyy yyz yzb yzr yzy zbb zbr zby zeb zee zen zeo zer zez zib zie zin zio zir ziz zne znn zno zo- zob zoe zoi zon zoo zor zro zzr zzy zzz