fff ffi ffm ffo ffs fft ffu ffy fif fii fim fis fit fiu fmf fmi fmm fmo fms fmt fmu fof foi fom foo fos fot fou foy fsf fsi fsm fso fss fst fsu ftf fti ftm fto fts ftt ftu fty fuf fui fum fuo fus fut fuu fy- fyi fyo i-f iff ifi ifm ifo ifs ift ifu ify iif iii iim iio iis iit iiu im- imf imi imm imo ims imt imu imy io- iof ioi iom ioo ios iot iou is- isf isi ism iso iss ist isu isy itf iti itm ito its itt itu ity iu- iui ium ius iut iym iyo iys iyt iyy m-f m-o mff mfi mfm mfo mfs mft mfu mfy mi- mif mii mim mio mis mit miu miy mmf mmi mmm mmo mms mmt mmu mof moi mom moo mos mot mou moy msf msi msm mso mss mst msu msy mtf mti mtm mto mts mtt mtu muf mui mum mus mut muu muy my- myf mym myo mys myt myu o-i of- off ofi ofm ofo ofs oft ofu oif oii oim oio ois oit oiu om- omf omi omm omo oms omt omu omy oo- oof ooi oom ooo oos oot os- osf osi osm oso oss ost osu ot- otf oti otm oto ots ott otu ou- ouf oui oum ouo ous out oyi oyo oys sff sfi sfm sfo sfs sft sfu sif sii sim sio sis sit siu smf smi smm smo sms smt smu smy sof soi som soo sos sot sou soy ss- ssf ssi ssm sso sss sst ssu stf sti stm sto sts stt stu sty suf sui sum suo sus sut suu suy sy- syi sym sys syt syu tff tfi tfm tfo tfs tft tfu tif tii tim tio tis tit tiu tiy tmf tmi tmm tmo tms tmt tmu tmy to- tof toi tom too tos tot tou toy tsf tsi tsm tso tss tst tsu tsy ttf tti ttm tto tts ttt ttu tty tuf tui tum tuo tus tut tuu tuy tyf tym tyo tys tyt uff ufi ufm ufo ufs uft ufu uif uii uim uio uis uit uiu um- umf umi umm umo ums umt umu uom uoo uos uot usf usi usm uso uss ust usu utf uti utm uto uts utt utu uty uum uus uut uuu uyi uyo uys uyu yff yfm yfs yft yfu yif yii yim yio yis yit ymi ymm ymo yms ymt yof yoi yom yoo yos yot you yoy ysi ysm yso yss yst ysu ysy ytf ytm yto yts ytt ytu yui yum yuo yus yut yuu yuy yyf yys yyt yyu yyy