silu sind sini sinn sino sinp sins sinu siod siol sion siop sior sios siou sipc sipi sipo sipp sips sirc siri siro sirp sirr sirs siru sisc sisd sisi siss sisu siui sius sl-i slcc slcd slcu slds slic slid slip slir slln sllp sloc slod slon sloo slop slos slpi slpp slps slrc slrn slrp slrs slsc slsu sluc slud slup slur sncc snco sncp snid snip snir snns snoc snod snoo snop snor snos snpo snpp snrs snsd snur snus soci socl soco socr socs sodd sodo sods sodu soic soil soin soir sois sold soli soll soln solo solp solr sols son- sond soni sono sons sonu sood sool soon soop soor soos sopd sopi sopo sopp sops sopu sord sori sorn soro sorr sors soru sosi soso soss soud soul soun soup sour sous spcc spco spcs spdc spdl spdp spdr spic spin spio spip spir spis splc splo splp splr spls spns spoc spod spon spoo spop spor spos sppd spps sprd spri spro sprs spsd spso spsp spss spud spui spun spur spus srcc sris srni srnn srno sros srpc srps srsd srsp sscc ssci sscp sscs ssdc ssdd ssdp ssid ssin ssis sslc sslp ssns ssoc ssop sspc sspl sspo ssps ssrc ssri ssrl ssrs sssc sssi ssss suc- succ suci sucr sucs sudd sudi sudo suds suid suin suio suir suis sul- sulc suld suli sull sulo sulp sulu sun- sund suni sunn suno suns sunu suor suos sup- supo supp supr sups sur- surc surd suri surn suro surp surr surs suru sus- susd susi suso susp suss susu suus u-rp ucci uccp ucdc ucdd ucil ucin ucio ucon ucos ucrc ucsc ucsd ucsu uddi udds udic udid udin udir udon udoo udop udos udpd udsd udsl udun uipi uirr uisd ulcc ulco ulic ulli ullo ullr ulno ulo- uloc ulos ulul ulus uncc unci uncl unco uncp uncs undi undo unds uni- unic unii unin unio unir unis unlp unni unno unns unon unop unos unpc unps unro unrs uns- unsc unso unus uocc uolc uor- upci upcs updo upic upin upis uplo upnp upon upor upos uppc uppp uppu upri upsc upsi upup urci urds urdu uric urin uris uriu urls urni urns uro- urol uroo urpo urri ursi urso urss ursu urun urup urur urus uscc usco uscs usdc usdl usdo usdp usds usin usip usis uslp uslu usnc usno usnr usnu usoc usoi usos uspc uspo uspp usps ussc ussr usss ussu usui usul usun usus uucp uulu uuni uuno uuoc uuri uusi uuuu