sllp slpi slpp slps slsc slst slts spcc spcs speb spec spee spel spes spet spib spic spie spip spis spit splc sple splp spls spps spse spsp spss spst sptb sptc spts sscc ssce ssci sscp sscs ssec ssee ssep sses sset ssis ssit sslc ssle sslp sslt sspc sspe sspl ssps sspt sssb sssc sssi ssss sstb sstc sstl sstp ssts stbc stbs stcc stcp stcs stec stee stel step stes stet stib stic stie stil stip stis stit stlc stle stlt stpp stps stsi stss sttc tbbs tbcb tbcc tbce tbil tbit tbsp tbst tbtp tcbs tccc tcep tctc tcts tecl tecs tect teec teel tees teet teic teie teil teip teis tel- telc tele teli tell tels telt tepe tepi tepp tesc tese tesl tesp tess test tete teti tets tett tibi tibs ticc tice tics tie- tiee tiei tiel tiep ties tiet tiit tile till tils tilt tip- tipc tipe tipi tipp tips tipt tisb tise tisi tiss tist titc tite titi titp tits titt tlli tpcp tpcs tpls tppp tpsc tpte tptp tsbc tscc tscp tsec tses tset tsis tsps tspt tsse tssi tsst tstc tsts ttbb ttcp ttss tttt