-er -ey b-p bbb bbe bbn bbo bbp bbr bby be- beb bee ben beo bep ber bey bnb bne bnn bno bnp bnr bob boe bon boo bop bor boy bpb bpe bpn bpo bpp bpr bpy brb bre brn bro brp brr bry by- bye byn byo byp byr ebb ebe ebn ebo ebp ebr eby eeb eee een eeo eep eer eey en- enb ene enn eno enp enr eny eo- eob eoe eon eoo eop eor ep- epb epe epn epo epp epr erb ere ern ero erp err ery eye eyn eyo eyp eyr nbb nbe nbn nbo nbp nbr ne- neb nee nen neo nep ner ney nnb nne nnn nno nnp no- nob noe non noo nop nor noy npb npe npn npo npp npr nrb nre nrn nro nrp nrr nry nye nyn nyo nyp nyy ob- obb obe obn obo obp obr oby oeb oee oen oeo oep oer oey on- onb one onn ono onp onr ony oo- oob oon ooo oop oor op- opb ope opn opo opp opr opy or- orb ore orn oro orp orr ory oye oyo p-p pbb pbe pbn pbo pbp pbr pby peb pee pen peo pep per pey pn- pnb pne pnn pno pnp pnr pny pob poe pon poo pop por poy ppb ppe ppn ppo ppp ppr prb pre prn pro prp prr pry py- pyb pye pyn pyo pyr rbb rbe rbn rbo rbp rbr re- reb ree ren reo rep rer rey rnb rnn rno rnp rnr rny rob roe ron roo rop ror roy rpb rpe rpn rpo rpp rpr rrb rrn rrp rrr ry- rye ryn ryo ryr ryy ybe ybp ybr yby yeb yee yen yeo yep yer yey yne ynn ynp yny yob yoe yon yoo yop yor yoy ypo yre yrn yro yrp yyb yye yyy