-up fff ffi ffp ffs fft ffu ffy fif fii fip fis fit fiu fpi fpp fps fpt fpu fpy fsf fsi fsp fss fst fsu ftf fti ftp fts ftt ftu fty fuf fui fup fus fut fuu fy- fyi fyp i-f iff ifi ifp ifs ift ifu ify iif iii iip iis iit iiu ipf ipi ipp ips ipt ipu ipy is- isf isi isp iss ist isu isy itf iti itp its itt itu ity iu- iui iup ius iut iys iyt iyy p-p pff pfi pfp pfs pft pfu pfy pif pii pip pis pit piu ppf ppi ppp pps ppt ppu ps- psf psi psp pss pst psu psy pt- ptf pti ptp pts ptt ptu pty puf pui pup pus put puu puy py- pyf pys pyt pyu sff sfi sfp sfs sft sfu sif sii sip sis sit siu spf spi spp sps spt spu spy ss- ssf ssi ssp sss sst ssu stf sti stp sts stt stu sty suf sui sup sus sut suu suy sy- syi syp sys syt syu tff tfi tfp tfs tft tfu tif tii tip tis tit tiu tiy tpf tpi tpp tps tpt tpu tsf tsi tsp tss tst tsu tsy ttf tti ttp tts ttt ttu tty tuf tui tup tus tut tuu tuy tyf typ tys tyt uff ufi ufp ufs uft ufu uif uii uip uis uit uiu up- upf upi upp ups upt upu usf usi usp uss ust usu utf uti utp uts utt utu uty uus uut uuu uyi uys uyu yff yfs yft yfu yif yii yip yis yit ypf yps ypu ysi ysp yss yst ysu ysy ytf ytp yts ytt ytu yui yup yus yut yuu yuy yyf yys yyt yyu yyy