nsca nscc nscd nscs nsds nseb nsec nsna nssa nssb nssc nsse nsss nsub nuan nuba nubc nube nubs nuca nuce nucs nucu nuda nudc nudd nude nuee nuna nunc nune nunn nuns nuse nuss nusu sa-c saab saac saad saae saan saas saba sabb sabc sabe sabs sabu saca sacc sacd sace sacn sacs sacu sada sadb sadc sadd sade sads sadu saeb saen saes sana sand sane sann sans sanu sasa sasc sasd sase sass saua sauc saud saue saun saus sbaa sbac sbas sbbs sbca sbcc sbcs sbds sbsa sbsd sbse sbus scaa scab scac scad scan scas scba sccc scce sccs scda scdc scds scea scec scee scna scnd scsa scsc scsd scsn scsu scua scub scud scun sdae sdau sdba sdcc sddc sdds sdes sdna sdsc sdss sdsu se-c se-d se-e se-n se-s se-u seaa seab seac sead sean seas seau seba sebe sebs sec- seca secc secd sece secn secs secu seda sede seds seea seeb seec seed seen sees seeu sena send sene senn sens sesa sesc sese sess snab snad snas snba snca sncc snda sneb sned snee snes snns snsd snub snus ssaa ssab ssac ssan ssas ssau ssbn ssca sscc ssce sscs ssdc ssdd ssec ssee sses ssns sssa sssb sssc ssss suan suas sub- suba subb subd subs suc- succ sucs suda sudd sude suds sued suee suen sues sueu sun- suna sunb sund sune sunn suns sunu sus- susa susd suse suss susu suus uabc uaca uaes uasa uasd uaua ubac ubba ubbe ubud ucad ucan ucas ucbc ucca ucdc ucdd ucea uces ucsa ucsb ucsc ucsd ucsu ucua udaa udad udas udau udbc udca udds udea uden udsd udun ueba ueda uend uesn uess unaa unac unan unas unau unbd unbe unca uncc unce uncs unda unde unds uneb unec uned unee unen unes unna unne unns uns- unsa unsc unus us-a usaa usac usad usan usas usba usbc usbe usbs usca uscc usce uscs usda usdc usde usds usea used usee usen uses usna usnc usnu ussa ussb ussc usse usss ussu usua usun usus uuen uuuu