-er -ey b-p bbb bbe bbi bbk bbn bbp bbr bby be- beb bee bei bek ben bep ber bey bi- bib bie bii bik bin bip bir biy bkb bke bkk bkn bkp bkr bnb bne bni bnk bnn bnp bnr bpb bpe bpi bpn bpp bpr bpy brb bre bri brk brn brp brr bry by- bye byi byk byn byp byr ebb ebe ebi ebk ebn ebp ebr eby eeb eee eek een eep eer eey eib eie eii eik ein eip eir ekb eke eki ekp ekr eky en- enb ene eni enk enn enp enr eny ep- epb epe epi epn epp epr erb ere eri erk ern erp err ery eye eyn eyp eyr ibb ibe ibi ibk ibn ibp ibr iby ie- iee iei iek ien iep ier iey iib iie iii iin iip iir ikb ike iki ikk ikr in- inb ine ini ink inn inp inr iny ipb ipe ipi ipn ipp ipr ipy ir- irb ire iri irk irn irp irr iry iye iyr iyy kbb kbe kbi kbk kbn kbp kbr ke- keb kee kei kek ken kep ker key kib kie kii kik kin kip kir kkb kke kki kkk kkn kkp kkr kky kn- kne kni knk knn knp knr kpe kpi kpk kpn kpp kpr kri krk krn krp krr kry kye kyn kyp kyr n-i nbb nbe nbi nbk nbn nbp nbr ne- neb nee nei nek nen nep ner ney nib nie nii nik nin nip nir nke nki nkk nkn nkp nkr nky nnb nne nni nnk nnn nnp npb npe npi npn npp npr nrb nre nri nrk nrn nrp nrr nry nye nyk nyn nyp nyy p-p pbb pbe pbi pbk pbn pbp pbr pby peb pee pei pek pen pep per pey pib pie pii pik pin pip pir pkb pke pki pkn pkp pkr pky pn- pnb pne pni pnk pnn pnp pnr pny ppb ppe ppi ppk ppn ppp ppr prb pre pri prk prn prp prr pry py- pyb pye pyk pyn pyr rbb rbe rbi rbk rbn rbp rbr re- reb ree rei rek ren rep rer rey rib rie rii rik rin rip rir riy rkb rke rkk rkp rky rnb rni rnn rnp rnr rny rpb rpe rpi rpk rpn rpp rpr rrb rri rrk rrn rrp rrr ry- rye ryk ryn ryr ryy ybe ybi ybp ybr yby yeb yee yei yek yen yep yer yey yie yii yin yip yir yki ykk ykn yne ynk ynn ynp yny yre yrn yrp yyb yye yyy