fff ffi ffn ffo fft ffw fif fii fin fit fnf fni fnn fnt fnw fof foi fon foo fot fow ftf fti ftn fto ftt ftw fwf fwi fwn fwo fwt i-f iff ifi ifn ifo ift iif iii iin iio iit iiw in- inf ini inn ino int io- iof ioi ion ioo iot iow itf iti itn ito itt iwf iwi iwo iwt iww n-i nff nfi nfn nfo nft nif nii nin nio nit nnf nni nnn nno nnt nnw no- nof noi non noo not now ntf nti ntn nto ntt nwf nwi nwn nwo nwt o-i of- off ofi ofn ofo oft ofw oif oii oin oio oit on- onf oni onn ono ont oo- oof ooi oon ooo oot oow ot- otf oti otn oto ott otw owf owi own owo owt oww tff tfi tfn tfo tft tfw tif tii tin tio tit tiw tnf tni tnn tno tnt tnw to- tof toi ton too tot tow ttf tti ttn tto ttt ttw twf twi twn two twt tww wff wfi wfn wfo wft wfw wif wii win wit wn- wnf wnn wno wnt wnw wof woi won woo wot wow wtf wti wtn wto wtt wtw wwf wwi wwn wwo wwt www