snns snte sscc ssce ssci sscs ssec ssee sses sset ssfc ssfl ssin ssis ssit sslc ssle sslt ssns sssc sssf sssi ssss sstc sstl ssts stcc stcs stec stee stef stel sten stes stet stfc stfn stic stie stif stil stis stit stlc stle stln stlt stnn stns stsf stsi stss sttc tccc tcfc tcnn tctc tcts tecl tecs tect teec teef teel teen tees teet tefc teff tefi tefl teft teic teie teil tein teis tel- telc tele teli tell teln tels telt tenc tene teni tenn tens tent tesc tese tesl tess test tete teti tets tett tfec tfin tfsi tfss tftc ticc tice tics tie- tiee tief tiei tiel tien ties tiet tiff tift tiit tile till tiln tils tilt tinc tine tini tinn tins tint tise tisi tiss tist titc tite titi tits titt tlen tlli tncc tnef tnes tnfc tnfl tnts tscc tsec tsen tses tset tsfc tsfl tsin tsis tsse tssf tssi tsst tstc tsts ttcn tten ttfc ttff ttfn ttss tttt