-up iii iio iip iis iit iiu io- ioi ioo iop ios iot iou ipi ipo ipp ips ipt ipu ipy is- isi iso isp iss ist isu isy iti ito itp its itt itu ity iu- iui iup ius iut iyo iys iyt iyy o-i oii oio oip ois oit oiu oo- ooi ooo oop oos oot op- opi opo opp ops opt opy os- osi oso osp oss ost osu ot- oti oto otp ots ott otu ou- oui ouo oup ous out oyi oyo oys p-p pii pio pip pis pit piu poi poo pop pos pot pou poy ppi ppo ppp pps ppt ppu ps- psi pso psp pss pst psu psy pt- pti pto ptp pts ptt ptu pty pui pup pus put puu puy py- pyo pys pyt pyu sii sio sip sis sit siu soi soo sop sos sot sou soy spi spo spp sps spt spu spy ss- ssi sso ssp sss sst ssu sti sto stp sts stt stu sty sui suo sup sus sut suu suy sy- syi syp sys syt syu tii tio tip tis tit tiu tiy to- toi too top tos tot tou toy tpi tpo tpp tps tpt tpu tsi tso tsp tss tst tsu tsy tti tto ttp tts ttt ttu tty tui tuo tup tus tut tuu tuy tyo typ tys tyt uii uio uip uis uit uiu uoo uop uos uot up- upi upo upp ups upt upu usi uso usp uss ust usu uti uto utp uts utt utu uty uus uut uuu uyi uyo uys uyu yii yio yip yis yit yoi yoo yop yos yot you yoy ypo yps ypu ysi yso ysp yss yst ysu ysy yto ytp yts ytt ytu yui yuo yup yus yut yuu yuy yys yyt yyu yyy