sdrs sdsl sdss sdsu slaa slad slap slas slau slds sllp slod sloo slop slos slpp slps slrp slrs slsa slsu slud slup slur soad soal soap soar soas soda sodd sodo sods sodu sola sold soll solo solp solr sols sood sool soop soor soos sopa sopd sopo sopp sops sopu sora sord soro sorr sors soru sosa soso soss soud soul soup sour sous sp-a spad spal spap spar spas spau spdl spdp spdr spla splo splp splr spls spod spoo spop spor spos sppd spps sprd spro sprs spsa spsd spso spsp spss spud spur spus sras sros srps srsd srsp ssaa ssao ssap ssas ssau ssdd ssdp ssla sslp ssop sspa sspl sspo ssps ssra ssrl ssrs sssa ssss suar suas suda sudd sudo suds sul- sula suld sull sulo sulp sulu suor suos sup- supa supo supp supr sups sur- sura surd suro surp surr surs suru sus- susa susd suso susp suss susu suus u-rp uald uars uaru uasa uasd uasp uaua udaa udad udal udar udas udau udds udoo udop udos udpd udra udsd udsl ulaa ulad ular ulas ulla ullo ullr ulo- ulos ulsa ulua ulul ulus uor- upal upar upas upda updo upla uplo upor upos uppa uppp uppu upra upsa upup urad ural urao urap uras urau urda urds urdu urla urls uro- uroa urol uroo urpo urra ursa urso urss ursu urup urur urus us-a usaa usad usal usap usar usas usda usdl usdo usdp usds uslp uslu usos uspa uspo uspp usps usra ussa ussr usss ussu usua usul usus uulu uuuu