slab slad slae slai slan slap slas slbp slds slea sleb sled slee slep sles slib slid slie slip slln sllp slpi slpp slps slsa snab snad snap snas snba snda sneb sned snee snel snep snes snia snib snid snie snip snla snns snpp snsd sp-a spad spae spal span spap spas spde spdl spdp spea speb sped spee spel spen spes spia spib spie spin spip spis spla sple splp spls spne spns sppd spps spsa spsd spse spsp spss ssaa ssab ssan ssap ssas ssbn ssdd ssdp ssee ssep sses ssid ssin ssis ssla ssle sslp ssns sspa sspe sspl ssps sssa sssb sssi ssss