-er -ey b-p bbb bbe bbi bbn bbp bbr bby be- beb bee bei ben bep ber bey bi- bib bie bii bin bip bir biy bnb bne bni bnn bnp bnr bpb bpe bpi bpn bpp bpr bpy brb bre bri brn brp brr bry by- bye byi byn byp byr ebb ebe ebi ebn ebp ebr eby eeb eee een eep eer eey eib eie eii ein eip eir en- enb ene eni enn enp enr eny ep- epb epe epi epn epp epr erb ere eri ern erp err ery eye eyn eyp eyr ibb ibe ibi ibn ibp ibr iby ie- iee iei ien iep ier iey iib iie iii iin iip iir in- inb ine ini inn inp inr iny ipb ipe ipi ipn ipp ipr ipy ir- irb ire iri irn irp irr iry iye iyr iyy n-i nbb nbe nbi nbn nbp nbr ne- neb nee nei nen nep ner ney nib nie nii nin nip nir nnb nne nni nnn nnp npb npe npi npn npp npr nrb nre nri nrn nrp nrr nry nye nyn nyp nyy p-p pbb pbe pbi pbn pbp pbr pby peb pee pei pen pep per pey pib pie pii pin pip pir pn- pnb pne pni pnn pnp pnr pny ppb ppe ppi ppn ppp ppr prb pre pri prn prp prr pry py- pyb pye pyn pyr rbb rbe rbi rbn rbp rbr re- reb ree rei ren rep rer rey rib rie rii rin rip rir riy rnb rni rnn rnp rnr rny rpb rpe rpi rpn rpp rpr rrb rri rrn rrp rrr ry- rye ryn ryr ryy ybe ybi ybp ybr yby yeb yee yei yen yep yer yey yie yii yin yip yir yne ynn ynp yny yre yrn yrp yyb yye yyy