shhh shhs shps shsc shua shud shun shup shus shuu snad snap snas snca sncc sncp snda sndh snhs snns snpp snsd snus sp-a spac spad span spap spas spau spca spcc spcs spdc spdp sphs spns sppd spps spsa spsd spsp spss spud spun spus ssaa ssac ssan ssap ssas ssau ssca sscc sscp sscs ssdc ssdd ssdp sshs ssns sspa sspc ssps sssa sssc sssh ssss suan suas suc- succ such sucs suda sudd sudh suds suha sun- suna sund sunn suns sunu sup- supa suph supp sups sus- susa susd susp suss susu suus uaca uahs uasa uasd uasp uaua ucad ucan ucas ucca uccp ucdc ucdd ucha uchs ucpa ucph ucsa ucsc ucsd ucsu ucua udaa udad udas udau udca udds udpd udsd udun uh-d uhna uhss uhuh uhup unaa unac unan unas unau unca uncc unch uncp uncs unda unds unha unna unns unpa unpc unps uns- unsa unsc unus upac upas upca upcs upda upnp uppa uppc uppp uppu upsa upsc upup us-a usaa usac usad usan usap usas usca uscc usch uscs usda usdc usdp usds usha ushs ushu usna usnc usnu uspa uspc uspp usps ussa ussc usss ussu usua usun usus uucp uuuu