-up nnn nno nnp nns nnt nnu no- non noo nop nor nos not nou noy npn npo npp npr nps npt npu nrn nro nrp nrr nrs nrt nru nry nsn nso nsp nsr nss nst nsu nsy ntn nto ntp ntr nts ntt ntu nun nuo nup nur nus nut nuu nuy nyn nyo nyp nys nyt nyu nyy on- onn ono onp onr ons ont onu ony oo- oon ooo oop oor oos oot op- opn opo opp opr ops opt opy or- orn oro orp orr ors ort oru ory os- osn oso osp osr oss ost osu ot- otn oto otp otr ots ott otu ou- oun ouo oup our ous out oyo oys p-p pn- pnn pno pnp pnr pns pnt pnu pny pon poo pop por pos pot pou poy ppn ppo ppp ppr pps ppt ppu prn pro prp prr prs prt pru pry ps- psn pso psp psr pss pst psu psy pt- ptn pto ptp ptr pts ptt ptu pty pun pup pur pus put puu puy py- pyn pyo pyr pys pyt pyu rnn rno rnp rnr rns rnt rnu rny ron roo rop ror ros rot rou roy rpn rpo rpp rpr rps rpt rpu rrn rrp rrr rrs rrt rru rsn rso rsp rsr rss rst rsu rtn rto rtp rtr rts rtt rtu rty run ruo rup rur rus rut ruu ruy ry- ryn ryo ryr rys ryu ryy snn sno snp snr sns snt snu sny son soo sop sor sos sot sou soy spn spo spp spr sps spt spu spy sr- srn sro srp srr srs srt sry ss- ssn sso ssp ssr sss sst ssu stn sto stp str sts stt stu sty sun suo sup sur sus sut suu suy sy- syn syp syr sys syt syu tnn tno tnp tnr tns tnt to- ton too top tor tos tot tou toy tpn tpo tpp tpr tps tpt tpu trn tro trp trr trs trt tru try tsn tso tsp tsr tss tst tsu tsy ttn tto ttp ttr tts ttt ttu tty tun tuo tup tur tus tut tuu tuy tyn tyo typ tyr tys tyt un- unn uno unp unr uns unt unu uny uon uoo uop uor uos uot up- upn upo upp upr ups upt upu ur- urn uro urp urr urs urt uru ury usn uso usp usr uss ust usu utn uto utp utr uts utt utu uty uun uur uus uut uuu uyo uys uyu ynn ynp yns ynu yny yon yoo yop yor yos yot you yoy ypo yps ypu yrn yro yrp yrs yrt yru yso ysp ysr yss yst ysu ysy ytn yto ytp ytr yts ytt ytu yun yuo yup yur yus yut yuu yuy yys yyt yyu yyy