spdp spia spic spio spip spis spla splc splo splp spls spoc spod spoo spop spos sppd spps spsa spsd spso spsp spss spud spui spus ssaa ssac ssao ssap ssas ssau ssca sscc ssci sscp sscs ssdc ssdd ssdp ssid ssis ssla sslc sslp ssoc ssop sspa sspc sspl sspo ssps sssa sssc sssi ssss suas suc- succ suci sucs suda sudd sudi sudo suds suid suio suis sul- sula sulc suld suli sull sulo sulp sulu suos sup- supa supo supp sups sus- susa susd susi suso susp suss susu suus uaca uald uaoc uasa uasd uasp uaua ucad ucai ucal ucas ucca ucci uccp ucdc ucdd ucil ucio ucla ucos ucpa ucsa ucsc ucsd ucsu ucua udaa udad udal udas udau udca uddi udds udic udid udoo udop udos udpd udsd udsl uica uipi uisd ulaa ulad ulai ulas ulcc ulco ulic ulla ulli ullo ulo- uloc ulos ulsa ulua ulul ulus uocc uolc upac upal upas upca upci upcs upda updo upic upis upla uplo upos uppa uppc uppp uppu upsa upsc upsi upup us-a usaa usac usad usal usap usas usca uscc usco uscs usda usdc usdl usdo usdp usds usia usip usis uslp uslu usoc usoi usos uspa uspc uspo uspp usps ussa ussc usss ussu usua usui usul usus uucp uulu uuoc uusi uuuu