-up iii iio iip iir iis iit iiu io- ioi ioo iop ior ios iot iou ipi ipo ipp ipr ips ipt ipu ir- iri iro irp irr irs irt iru is- isi iso isp isr iss ist isu iti ito itp its itt itu iu- iui iup iur ius iut o-i oii oio oip oir ois oit oiu oo- ooi ooo oop oor oos oot op- opi opo opp opr ops opt or- ori oro orp orr ors ort oru os- osi oso osp osr oss ost osu ot- oti oto otp otr ots ott otu ou- oui ouo oup our ous out p-p pii pio pip pir pis pit piu poi poo pop por pos pot pou ppi ppo ppp ppr pps ppt ppu pri pro prp prr prs prt pru ps- psi pso psp psr pss pst psu pt- pti pto ptp ptr pts ptt ptu pui pup pur pus put puu rii rio rip rir ris rit roi roo rop ror ros rot rou rpi rpo rpp rpr rps rpt rpu rri rrp rrr rrs rrt rru rsi rso rsp rsr rss rst rsu rti rto rtp rtr rts rtt rtu rui ruo rup rur rus rut ruu sii sio sip sir sis sit siu soi soo sop sor sos sot sou spi spo spp spr sps spt spu sr- sri sro srp srr srs srt ss- ssi sso ssp ssr sss sst ssu sti sto stp str sts stt stu sui suo sup sur sus sut suu tii tio tip tir tis tit tiu to- toi too top tor tos tot tou tpi tpo tpp tpr tps tpt tpu tri tro trp trr trs trt tru tsi tso tsp tsr tss tst tsu tti tto ttp ttr tts ttt ttu tui tuo tup tur tus tut tuu uii uio uip uir uis uit uiu uoo uop uor uos uot up- upi upo upp upr ups upt upu ur- uri uro urp urr urs urt uru usi uso usp usr uss ust usu uti uto utp utr uts utt utu uur uus uut uuu