siel sies sil- silc sild sile sili sill sils silu sipc sipe sipi sipp sips sisc sisd sise sisi siss sisu siue siui sius sl-i slcc slcd slcu slds sled slee slep sles slic slid slie slip sllp slpi slpp slps slsc slsu sluc slud slue slup spcc spcs spdc spde spdl spdp spec sped spee spel spes spic spie spip spis splc sple splp spls sppd spps spsd spse spsp spss spud spue spui spus sscc ssce ssci sscp sscs ssdc ssdd ssdp ssec ssee ssep sses ssid ssis sslc ssle sslp sspc sspe sspl ssps sssc sssi ssss suc- succ suci sucs sudd sude sudi suds sued suee suel sues sueu suid suie suis sul- sulc suld sule suli sull sulp sulu sup- supe supp sups sus- susd suse susi susp suss susu suus u-ie ucci uccp ucdc ucdd ucel uces ucil ucsc ucsd ucsu uddi udds udel udic udid udpd udsd udsl uele ueli uell uepi uess uies uile uipi uisd uise ulcc ulde ulee ules ulic ulie ulle ulli ulul ulus upci upcs uped upic upie upis uppc uppe uppp uppu upsc upse upsi upup uscc usce uscs usdc usde usdl usdp usds used usee usel uses usie usip usis usle uslp uslu uspc uspp usps ussc usse usss ussu usui usul usus uucp uulu uusi uuuu