ffff ffss flon floo flos fofo foll folo fols fono fons foof fool foon foos foso foss fsfo fsln fssf llll lloo lnfs lnso loff lofn loll lolo lols lono lons loof lool loon loos loso loss lsof lson lsso nfff nfon nlls nnls nnnn nnos nnsl nnss nolf noll nolo nols non- nonn nono nons noo- nool noon nooo noos nos- noss nsfs nsls nsof nsos nssf nsso nsss off- offo offs ofno olfs ollo olof olon olos onlf onno onon onos onso ooff oofs oolo oons oooo ooos oslo osno osoo osos osso s-os sfls sfos sfss slln slon sloo slos snlf snns snoo snos sofo solf soll soln solo sols son- sono sons soof sool soon soos soso soss ssfl ssns sssf ssss