cccc cccf cccs ccee ccfc ccff ccsf ccss ccst cctc cctt cec- cece cecs cect ceec cees cef- cefc cesc cese cess cest cet- cete cets cfcf cfcs cfse cftc cfte cscc csce cscf cscs csec csee cset csfc csse cstc csts ctcf ctec ctfc ctfs ctsc ctss ctts eccc ecce ecct ecef eces ecfc ecfs ecsc ecse ecss ect- ectc ectf ects eecs eeee eees eefe eese eetc eete eets efes efet effs eft- efts esce escs esee eses eset esfs esse esst estc este ests etcc etcs etec etee etes etfc etfe ette fccf fces fcsc fcst fece fect fees feet fefc fefe feff fese fess fest fete fets fett ffcc ffee ffff ffss fftf fscc fsec fssc fssf ft-c ftfc ftse sccc scce sccs scct scec scee scet scfc scfe scsc scst sctc scts se-c se-e se-f se-s se-t sec- secc sece secs sect seec seef sees seet seff seft sesc sese sess sest set- setc sete setf sets sett sfcc sfcs sffc sfss sfts sscc ssce sscs ssec ssee sses sset ssfc sssc sssf ssss sstc ssts stcc stcs stec stee stef stes stet stfc stsf stss sttc tccc tcfc tctc tcts tecs tect teec teef tees teet tefc teff teft tesc tese tess test tete tets tett tfec tfss tftc tscc tsec tses tset tsfc tsse tssf tsst tstc tsts ttfc ttff ttss tttt