sourse souser souses sousou sousse specus speece speere speers sperge spergo sperre sperse spooge spoore spoors spores sporge sporo- sporus sposes spouge spouse sprees spreeu sprocs sprogo sprogs spruce spruer sprues sprugs spruse spurge spurre srprss srubec ssurgo subego suberb subers subpop suburb succor succos succur succus sucres sucro- suebee sugger sugrue suguru super- superb superc superg supers supper suppos sure-p surger surges suroso sursee surses suruc susper susses susupe susure susurr ubussu ugosce ugress upbore upcore uppers uppoor upprop uprose upsees upsssc urceus urecco urgers urobos urouer uroure urucup uruppu uruses usbegs usebup userer usesup ussess usurer usures usurps