cccc cccs ccee cche cchs ccss ccst cctc cctt cec- cece cecs cect ceec cees cehs cesc cese cess cest cet- cete cets chce chch chcs chec chee cheh ches chet chhs chsc chse chsh chst chtt cscc csce csch cscs csec csee cseh cset cshs csse cstc csts ctec cths ctsc ctss ctts eccc ecce ecct eces eche echs echt ecsc ecse ecss ect- ectc ecth ects eecs eeee eees eehs eese eetc eete eeth eets ehcc eheh ehhs ehte esce esch escs esee eses eset eshs esse essh esst estc este esth ests etcc etch etcs etec etee etes eth- ethe eths ette hccc hcch hccs hchs hcsc hcss hcst hech hecs hect hees heet hehe hehs hesc hesh hess hest hete heth hets hett hhhh hhhs hscc hsct hses hset hshs hsse hste hsts htcc htet hths htsc sccc scce sccs scct scec scee scet sch- sche schh schs scsc scsh scst sctc scts se-c se-e se-h se-s se-t sec- secc sece sech secs sect seec seeh sees seet sehe sehs sesc sese sesh sess sest set- setc sete seth sets sett shcc she- shee sheh shes shet shhh shhs shsc shts sscc ssce sscs ssec ssee sses sset sshs sssc sssh ssss sstc ssth ssts stcc stch stcs stec stee stes stet sths stss sttc tccc tch- tche tchh tchs tcsh tctc tcts tech tecs tect teec tees teet tesc tese tesh tess test tete teth tets tett thch the- thec thee thes thet thse thss thts tscc tsec tses tset tshe tshs tsse tsst tstc tsts ttss tttt