-er -ey bbb bbe bbi bbk bbn bbr bby be- beb bee bei bek ben ber bey bez bi- bib bie bii bik bin bir biy biz bkb bke bkk bkn bkr bnb bne bni bnk bnn bnr bnz brb bre bri brk brn brr bry brz by- bye byi byk byn byr byz bze bzn bzr bzz ebb ebe ebi ebk ebn ebr eby eeb eee eek een eer eey eib eie eii eik ein eir ekb eke eki ekr eky en- enb ene eni enk enn enr eny enz erb ere eri erk ern err ery erz eye eyn eyr eze ezr ezz ibb ibe ibi ibk ibn ibr iby ibz ie- iee iei iek ien ier iey iib iie iii iin iir ikb ike iki ikk ikr in- inb ine ini ink inn inr iny ir- irb ire iri irk irn irr iry iye iyr iyy ize izi izy izz k-z kbb kbe kbi kbk kbn kbr kbz ke- keb kee kei kek ken ker key kez kib kie kii kik kin kir kiz kkb kke kki kkk kkn kkr kky kn- kne kni knk knn knr kri krk krn krr kry kye kyn kyr kyz kzy n-i nbb nbe nbi nbk nbn nbr ne- neb nee nei nek nen ner ney nez nib nie nii nik nin nir niz nke nki nkk nkn nkr nky nnb nne nni nnk nnn nnz nrb nre nri nrk nrn nrr nry nrz nye nyk nyn nyy nzb nze nzi nzz rbb rbe rbi rbk rbn rbr re- reb ree rei rek ren rer rey rez rib rie rii rik rin rir riy riz rkb rke rkk rky rkz rnb rni rnn rnr rny rnz rrb rri rrk rrn rrr ry- rye ryk ryn ryr ryy ryz rzb rze rzy ybe ybi ybr yby ybz yeb yee yei yek yen yer yey yez yie yii yin yir yiz yki ykk ykn yne ynk ynn yny yre yrn yyb yye yyy yyz yzb yzr yzy zbb zbr zby zeb zee zek zen zer zez zib zie zik zin zir ziz zne znn zzr zzy zzz