b-p bbb bbh bbn bbo bbp bbr bby bhb bhh bho bhp bhr bnb bnn bno bnp bnr bob boh bon boo bop bor boy bpb bph bpn bpo bpp bpr bpy brb brh brn bro brp brr bry by- byh byn byo byp byr hbb hbh hbn hbo hbp hbr hby hhb hhh hhn hho hhp hhr hhy hnb hnh hnn hno hny hob hoh hon hoo hop hor hoy hpb hph hpn hpo hpp hpr hpy hr- hrb hrh hrn hro hrp hrr hy- hyb hyh hyn hyo hyp hyr hyy nbb nbn nbo nbp nbr nhb nhh nhn nhp nhr nhy nnb nnh nnn nno nnp no- nob noh non noo nop nor noy npb nph npn npo npp npr nrb nrn nro nrp nrr nry nyn nyo nyp nyy ob- obb obh obn obo obp obr oby ohh ohn oho ohp ohr on- onb onh onn ono onp onr ony oo- oob ooh oon ooo oop oor op- opb oph opn opo opp opr opy or- orb orh orn oro orp orr ory oyo p-p pbb pbn pbo pbp pbr pby phb phn pho php phr phy pn- pnb pnh pnn pno pnp pnr pny pob poh pon poo pop por poy ppb pph ppn ppo ppp ppr prb prh prn pro prp prr pry py- pyb pyn pyo pyr rbb rbh rbn rbo rbp rbr rh- rhb rhh rhn rho rhp rhr rnb rnh rnn rno rnp rnr rny rob roh ron roo rop ror roy rpb rph rpn rpo rpp rpr rrb rrh rrn rrp rrr ry- ryn ryo ryr ryy ybp ybr yby ynn ynp yny yob yon yoo yop yor yoy ypo yrn yro yrp yyb yyy