slrc slre slrp slrs slsa slsc slsu slub sluc slue slup slur sp-a spac spae spal spap spar spas spau spca spcc spcs spea speb spec spee spel sper spes spia spib spic spie spip spir spis spla splc sple splp splr spls spps spri sprs spsa spse spsp spss spue spui spur spus sras srbc srcc sreb srec sres srib sris srpc srps srsp srub ssaa ssab ssac ssap ssas ssau ssbr ssca sscc ssce ssci sscp sscs ssec ssee ssep sses ssis ssla sslc ssle sslp sspa sspc sspe sspl ssps ssra ssrc ssri ssrl ssrs sssa sssb sssc sssi ssss suar suas sub- suba subb subi subl subs suc- succ suci sucr sucs suee suel suer sues sueu suie suir suis sul- sula sulc sule suli sull sulp sulu sup- supa supe supp supr sups sur- sura surc sure suri surp surr surs suru sus- susa suse susi susp suss susu suus u-ie u-rp uabc uaca uaes uair uarc uars uaru uasa uasp uaua ubac ubal ubar ubba ubbe ubbi uber ubic ubii ubir ubis ubla uble ubli ubls ubpc ubra ucai ucal ucar ucas ucbc ucca ucci uccp ucea ucel uces ucil ucla ucpa ucpb ucrc ucsa ucsb ucsc ucsu ucua ueba ueir uele ueli uell uepi uers uess uica uies uile uipi uira uirr uise ulaa ulae ulai ular ulas ulbc ulcc ulea uleb ulee ules ulic ulie ulla ulle ulli ullr ulsa ulua ulul ulus upac upal upar upas upbe upca upci upcs upic upie upis upla uplb uppa uppc uppe uppp uppu upra upri upsa upsc upse upsi upup urac urai ural urap uras urau urba urbe urbi urbs urca urci ure- urea ures uria urib uric urie uris uriu urla urle urls urra urre urri ursa urse ursi urss ursu urup urur urus us-a usaa usac usal usap usar usas usba usbc usbe usbl usbr usbs usca uscc usce uscs usea usee usel user uses usia usie usip usis usle uslp uslu uspa uspc uspp usps usra ussa ussb ussc usse ussr usss ussu usua usui usul usus uucp uulu uuri uusi uuuu