spne spns spoc spon spoo spop spos spps spse spso spsp spss spue spun spus sscc ssce sscp sscs ssec ssee ssep sses sslc ssle sslp ssns ssoc ssop sspc sspe sspl sspo ssps sssc ssss suc- succ sucs suee suel suen sues sueu sul- sulc sule sull sulo sulp sulu sun- sune sunn suno suns sunu suos sup- supe supo supp sups sus- suse suso susp suss susu suus uccp ucel uces ucon ucos ucsc ucsu uele uell ueno uesn uess ulcc ulco ulee ulen uleo ules ulle ullo ulne ulno ulo- uloc ulos ulul ulus uncc unce uncl unco uncp uncs unec unee unen unes unle unlp unne unno unns unon unop unos unpc unps uns- unsc unso unus uocc uolc uone upcs upen uplo upne upnp upon upos uppc uppe uppp uppu upsc upse upup uscc usce usco uscs usee usel usen uses usle uslp uslu usnc usno usnu usoc usoe usos uspc uspo uspp usps ussc usse usss ussu usul usun usus uucp uuen uulu uuno uuoc uuuu