soas soca soce soco socr socs soda sodd sode sodo sods sodu soea soec soeo soep soes sood soop soor soos sopa sopd sope sopo sopp sops sopu sora sord sore soro sorr sors soru sosa sose soso soss soud soue soup sour sous sp-a spac spad spae spap spar spas spau spca spcc spco spcs spdc spde spdp spdr spea spec sped spee sper spes spoc spod spoo spop spor spos sppd spps sprd spro sprs spsa spsd spse spso spsp spss spud spue spur spus sras srcc srde srec sreo sres sros srpc srps srsd srsp ssaa ssac ssao ssap ssas ssau ssca sscc ssce sscp sscs ssdc ssdd ssdp ssec ssee ssep sses ssoc ssop sspa sspc sspe sspo ssps ssra ssrc ssrs sssa sssc ssss suar suas suc- succ sucr sucs suda sudd sude sudo suds sued suee suer sues sueu suor suos sup- supa supe supo supp supr sups sur- sura surc surd sure suro surp surr surs suru sus- susa susd suse suso susp suss susu suus u-rp uaca uaes uaoc uarc uars uaru uasa uasd uasp uaua ucad ucar ucas ucca uccp ucdc ucdd ucea uces ucos ucpa ucrc ucsa ucsc ucsd ucsu ucua udaa udad udar udas udau udca udds udea uder udoo udop udos udpd udra udsd ueda uers uess uocc uor- uore upac upar upas upca upcs upda updo uped upor upos uppa uppc uppe uppp uppu upra upsa upsc upse upup urac urad urao urap uras urau urca urda urde urds urdu ure- urea ured ures uro- uroa uroo urpo urra urre ursa urse urso urss ursu urup urur urus us-a usaa usac usad usap usar usas usca uscc usce usco uscs usda usdc usde usdo usdp usds usea used usee user uses usoc usoe usos uspa uspc uspo uspp usps usra ussa ussc usse ussr usss ussu usua usus uucp uuoc uuuu