slcc slcd slcu slds slea sleb sled slee sles slib slic slid slie slsa slsc slsu slub sluc slud slue ssaa ssab ssac ssas ssau ssca sscc ssce ssci sscs ssdc ssdd ssec ssee sses ssid ssis ssla sslc ssle sssa sssb sssc sssi ssss suas sub- suba subb subd subi subl subs suc- succ suci sucs suda sudd sude sudi suds sued suee suel sues sueu suid suie suis sul- sula sulc suld sule suli sull sulu sus- susa susd suse susi suss susu suus u-ie uabc uaca uaes uald uasa uasd uaua ubac ubal ubba ubbe ubbi ubic ubid ubii ubis ubla uble ubli ubls ubud ucad ucai ucal ucas ucbc ucca ucci ucdc ucdd ucea ucel uces ucil ucla ucsa ucsb ucsc ucsd ucsu ucua udaa udad udal udas udau udbc udca uddi udds udea udel udic udid udsd udsl ueba ueda uele ueli uell uess uica uies uile uisd uise ulaa ulad ulae ulai ulas ulbc ulcc ulde ulea uleb ulee ules ulic ulie ulla ulle ulli ulsa ulua ulul ulus us-a usaa usac usad usal usas usba usbc usbe usbl usbs usca uscc usce uscs usda usdc usde usdl usds usea used usee usel uses usia usie usis usle uslu ussa ussb ussc usse usss ussu usua usui usul usus uulu uusi uuuu