-er -ey bbb bbe bbi bbk bbm bbn bbo bbr bby be- beb bee bei bek bem ben beo ber bey bi- bib bie bii bik bim bin bio bir biy bkb bke bkk bkm bkn bko bkr bmb bme bmi bmk bmm bmn bmo bmr bnb bne bni bnk bnn bno bnr bob boe boi bok bom bon boo bor boy brb bre bri brk brm brn bro brr bry by- bye byi byk bym byn byo byr ebb ebe ebi ebk ebm ebn ebo ebr eby eeb eee eek eem een eeo eer eey eib eie eii eik eim ein eio eir ekb eke eki eko ekr eky em- emb eme emi emk emm emn emo emr en- enb ene eni enk enm enn eno enr eny eo- eob eoe eoi eok eom eon eoo eor erb ere eri erk erm ern ero err ery eye eym eyn eyo eyr ibb ibe ibi ibk ibm ibn ibo ibr iby ie- iee iei iek iem ien ier iey iib iie iii iim iin iio iir ikb ike iki ikk iko ikr im- imb ime imi imm imn imo imy in- inb ine ini ink inm inn ino inr iny io- iob ioe ioi iom ion ioo ior ir- irb ire iri irk irm irn iro irr iry iye iym iyo iyr iyy kbb kbe kbi kbk kbm kbn kbo kbr ke- keb kee kei kek kem ken keo ker key kib kie kii kik kim kin kio kir kkb kke kki kkk kkm kkn kkr kky kmb kme kmi kmk kmm kmo kn- kne kni knk knm knn kno knr kob koe koi kok kom kon koo kor koy kri krk krn kro krr kry kye kym kyn kyo kyr m-o m-r mbb mbe mbi mbk mbm mbo mbr meb mee mei mek mem men meo mer mey mi- mib mie mii mik mim min mio mir miy mkb mke mkk mkm mkn mko mkr mky mmb mme mmi mmk mmm mmn mmo mmr mnb mne mni mnk mnm mnn mno mnr mob moe moi mok mom mon moo mor moy mrb mre mri mrk mrm mrn mro mrr mry my- myb mye myk mym myn myo myr n-i nbb nbe nbi nbk nbm nbn nbo nbr ne- neb nee nei nek nem nen neo ner ney nib nie nii nik nim nin nio nir nke nki nkk nkm nkn nko nkr nky nmb nme nmi nmk nmm nmn nmo nmr nnb nne nni nnk nnm nnn nno no- nob noe noi nok nom non noo nor noy nrb nre nri nrk nrm nrn nro nrr nry nye nyk nym nyn nyo nyy o-i ob- obb obe obi obk obm obn obo obr oby oeb oee oei oem oen oeo oer oey oib oie oii oik oim oin oio oir okb oke oki okk oko okr om- omb ome omi omm omn omo omr omy on- onb one oni onk onn ono onr ony oo- oob ooi ook oom oon ooo oor or- orb ore ori ork orm orn oro orr ory oye oyi oyo rbb rbe rbi rbk rbm rbn rbo rbr re- reb ree rei rek rem ren reo rer rey rib rie rii rik rim rin rio rir riy rkb rke rkk rkm rko rky rmb rme rmi rmm rmn rmo rmr rnb rni rnm rnn rno rnr rny rob roe roi rok rom ron roo ror roy rrb rri rrk rrm rrn rrr ry- rye ryk rym ryn ryo ryr ryy ybe ybi ybm ybr yby yeb yee yei yek yem yen yeo yer yey yie yii yim yin yio yir yki ykk ykm ykn yme ymi ymm ymo yne ynk ynn yny yob yoe yoi yok yom yon yoo yor yoy yre yrn yro yyb yye yyy