fff ffi ffs ffu ffy fif fii fiq fis fiu fsf fsi fsq fss fsu fuf fui fus fuu fy- fyi i-f iff ifi ifs ifu ify iif iii iis iiu iqs iqu is- isf isi isq iss isu isy iu- iui ius iys iyy qff qfi qfs qis qiu qqq qqu qsi qu- qui qus quy sff sfi sfs sfu sif sii siq sis siu sqi sqq sqs ss- ssf ssi ssq sss ssu suf sui suq sus suu suy sy- syi sys syu uff ufi ufs ufu uif uii uiq uis uiu usf usi uss usu uus uuu uyi uys uyu yff yfs yfu yif yii yiq yis ysi yss ysu ysy yui yus yuu yuy yyf yys yyu yyy