-up iii iip iis iit iiu ipi ipp ips ipt ipu ipy is- isi isp iss ist isu isy iti itp its itt itu ity iu- iui iup ius iut iys iyt iyy p-p pii pip pis pit piu ppi ppp pps ppt ppu ps- psi psp pss pst psu psy pt- pti ptp pts ptt ptu pty pui pup pus put puu puy py- pys pyt pyu sii sip sis sit siu spi spp sps spt spu spy ss- ssi ssp sss sst ssu sti stp sts stt stu sty sui sup sus sut suu suy sy- syi syp sys syt syu tii tip tis tit tiu tiy tpi tpp tps tpt tpu tsi tsp tss tst tsu tsy tti ttp tts ttt ttu tty tui tup tus tut tuu tuy typ tys tyt uii uip uis uit uiu up- upi upp ups upt upu usi usp uss ust usu uti utp uts utt utu uty uus uut uuu uyi uys uyu yii yip yis yit yps ypu ysi ysp yss yst ysu ysy ytp yts ytt ytu yui yup yus yut yuu yuy yys yyt yyu yyy