ffff ffss fftf fgts fofo fogg fogn fogo fogs fong fono fons font foof foon foos foot foso foss fost foto fots fott fsfo fsgs fssf ftos ggfg gggg ggss gnof gnoo goff gogo gogs gon- gong gonn gono gons goof goog goon goos goot goso goss gost goto gots gott gson gsos gtfo gtos nfff nfon nfto ngfs ngns ngon ngos ngsn ngtn ngts nngn nnnn nnos nnot nnss nntn nogg nogo nogs nogt non- nong nonn nono nons nont noo- noon nooo noos noot nos- noss nost not- noto nots nott nsfs nsof nsos nssf nsso nsss nsts ntfs ntof ntsf ntss ntto off- offo offs ofgo ofno ofst ogog ogon ongo onno onon onos onso onst ont- onto ooff oofs oons oont oooo ooos oost oots osno osoo osos osso osts oto- otof otog oton otoo otos otsg otso otto otts s-os sfnt sfog sfos sfss sfts sggg sggs sgss sgts snns snog snoo snos snot sofo soft sogn sogo sogs son- song sono sons sont soof soog soon soos soot soso soss sost sotn soto sots ssgs ssgt ssns ssot sssf ssss ssts stfn stng stnn stns stof stog ston stoo stos stot stsf stss tfot tfss tgts tngs tnts toff tofo toft togo togs togt tong tonn tono tons toof toon toos toot toso toss tost toto tots tott tsgt tsos tssf tssg tsst tsts ttff ttfn tton ttss tttt