-up nnn nno nnp nns nnt nnu no- non noo nop nor nos not nou npn npo npp npr nps npt npu nrn nro nrp nrr nrs nrt nru nsn nso nsp nsr nss nst nsu ntn nto ntp ntr nts ntt ntu nun nuo nup nur nus nut nuu on- onn ono onp onr ons ont onu oo- oon ooo oop oor oos oot op- opn opo opp opr ops opt or- orn oro orp orr ors ort oru os- osn oso osp osr oss ost osu ot- otn oto otp otr ots ott otu ou- oun ouo oup our ous out p-p pn- pnn pno pnp pnr pns pnt pnu pon poo pop por pos pot pou ppn ppo ppp ppr pps ppt ppu prn pro prp prr prs prt pru ps- psn pso psp psr pss pst psu pt- ptn pto ptp ptr pts ptt ptu pun pup pur pus put puu rnn rno rnp rnr rns rnt rnu ron roo rop ror ros rot rou 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 run ruo rup rur rus rut ruu snn sno snp snr sns snt snu son soo sop sor sos sot sou spn spo spp spr sps spt spu sr- srn sro srp srr srs srt ss- ssn sso ssp ssr sss sst ssu stn sto stp str sts stt stu sun suo sup sur sus sut suu tnn tno tnp tnr tns tnt to- ton too top tor tos tot tou tpn tpo tpp tpr tps tpt tpu trn tro trp trr trs trt tru tsn tso tsp tsr tss tst tsu ttn tto ttp ttr tts ttt ttu tun tuo tup tur tus tut tuu un- unn uno unp unr uns unt unu uon uoo uop uor uos uot up- upn upo upp upr ups upt upu ur- urn uro urp urr urs urt uru usn uso usp usr uss ust usu utn uto utp utr uts utt utu uun uur uus uut uuu