scds scea scec scee scep scet scpa scpe scps scpt scsa scsc scsd scst scsu sctc sctd scts scua scud scup scut sdae sdap sdau sdcc sddc sdds sdep sdes sdet sdps sdsc sdss sdsu se-c se-d se-e se-s se-t se-u seaa seac sead seap seas seat seau sec- seca secc secd sece secs sect secu seda sede seds seea seec seed seep sees seet seeu sepa sepd sepe sepp seps sept sepu sesa sesc sese sess sest set- seta setc sete sets sett sp-a spac spad spae spap spas spat spau spca spcc spcs spdc spde spdp spdt spea spec sped spee spes spet sppd spps spsa spsd spse spsp spss spst spta sptc spts spud spue spus sput ssaa ssac ssap ssas ssat ssau ssca sscc ssce sscp sscs ssdc ssdd ssdp ssec ssee ssep sses sset sspa sspc sspe ssps sspt sssa sssc ssss ssta sstc sstd sstp ssts stac stad stae stap stas stat stau stca stcc stcp stcs stcu stds stea stec sted stee step stes stet stpd stpp stps stss sttc sttd stuc stud stue stup stus stut suas suat suc- succ sucs suda sudd sude suds sued suee sues suet sueu sup- supa supe supp sups supt sus- susa susd suse susp suss sust susu suta sute sutu suus taa- taas taat taca tacc tace tacs tact tada tade tads taec taes tapa tape tapp taps tapt tapu tasa tasc tase tasp tass tast tasu tata tate tats tatt tatu taua tauc taue taus taut tcad tcap tcca tccc tccu tcdd tcep tcpa tctc tcts tdac tdap tdes tdse tdss teac tead teas teat teca tecs tect teda tedd tede teds teec teed tees teet tepa tepe tepp tepu tesa tesc tesd tese tesp tess test teta tete tets tett tetu teut tpac tpap tpau tpcd tpcp tpcs tpdu tped tppa tppd tppp tpsa tpsc tpte tptp tput tsaa tsat tsau tsca tscc tscp tsec tses tset tsps tspt tssa tsse tsst tstc tsts tsup ttcp ttss tttt tuae tuas tuat tuca tucc tude tudu tues tuet tupa tupe tups tupu tusa tusc tusd tuss tust tuta tute tuts tutt tutu uaca uaes uasa uasd uasp uata uatu uaua ucad ucas ucat ucca uccp ucdc ucdd ucea uces ucpa ucsa ucsc ucsd ucst ucsu ucua ucut udaa udad udas udau udca udds udea udet udpd udsd udts ueda uess upac upas upat upca upcs upda uped uppa uppc uppe uppp uppu upsa upsc upse upup us-a usaa usac usad usap usas usat usca uscc usce uscs usda usdc usde usdp usds usdt usea used usee uses uset uspa uspc uspp usps ussa ussc usse usss usst ussu usta ustc uste ustp usts usua usus utac utas utau utec utep utes utpa utpd utsa utsc uttu uucp uuta uuuu