-up nnn nno nnp nnu no- non noo nop nor nou noy npn npo npp npr npu nrn nro nrp nrr nru nry nun nuo nup nur nuu nuy nyn nyo nyp nyu nyy on- onn ono onp onr onu ony oo- oon ooo oop oor op- opn opo opp opr opy or- orn oro orp orr oru ory ou- oun ouo oup our oyo p-p pn- pnn pno pnp pnr pnu pny pon poo pop por pou poy ppn ppo ppp ppr ppu prn pro prp prr pru pry pun pup pur puu puy py- pyn pyo pyr pyu rnn rno rnp rnr rnu rny ron roo rop ror rou roy rpn rpo rpp rpr rpu rrn rrp rrr rru run ruo rup rur ruu ruy ry- ryn ryo ryr ryu ryy un- unn uno unp unr unu uny uon uoo uop uor up- upn upo upp upr upu ur- urn uro urp urr uru ury uun uur uuu uyo uyu ynn ynp ynu yny yon yoo yop yor you yoy ypo ypu yrn yro yrp yru yun yuo yup yur yuu yuy yyu yyy