ffff ffii ffss fiff fifi fiii fini finn fins fisi fiss fsfi fssf fwiw ifis ifni ifns iiii iiis iisi iiwi infi infs inis inni inns inss inw- inwi isin isis issf issi isss iswn iwin iwis iwiw n-ii nfff niff nini nins nisi niss nnnn nnss nsfs nsfw nsin nsis nssf nsss nwss s-ii sfss siff sini sinn sins sisi siss siwi sniw snns ssin ssis ssns sssf sssi ssss ssws swis swss wfff wffn wfif wfin wfis wfiw wfnf wfni wfnn wfns wfnw wfsi wfss wfwi wfwn wiff wifi wifn wiif wiii wiin wiis wini winn wins winw wisn wiss wisw wiwf wiwi wiwn wnfn wnin wnis wniw wnnf wnns wnnw wnsn wnss wnsw wnwf wnwi wnwn wnws wnww wsff wsfn wsfs wsfw wsif wsis wsni wsnn wsnw wssi wsss wssw wswi wswn wsws wsww wwfw wwii wwin wwis wwnn wwns wwnw wwsf wwsi wwsn wwss wwwi wwwn wwws wwww