-ene cccc cccs cccu ccee cche cchs ccnc ccne ccns ccnu ccsn ccss ccuc ccus cec- cece cecs ceec cees cehs cen- cene cens cesc cese cess ceux cexe chce chch chcs chec chee cheh chen ches cheu chex chhs chnc chns chsc chse chsh chun chus cnes cnex cnhs cnss cscc csce csch cscs csec csee cseh cshs csne csse csus cucc cuce cucn cues cune cush cuss cusu cxxx eccc ecce eces eche echs ecne ecsc ecse ecss ecsu ecus eecs eeee eees eehs eens eese ehcc eheh ehen eheu ehhs ence ench encs enee enes enhs ennc enne enns ennu ense ensu enue enus esce esch escs escu esee esen eses eshs eshu esne esse essh essu esus euch euse exch exec exen exes exh- hccc hcch hccs hchs hcsc hcss hech hecs hees hehe hehn hehs hene henh henn hens henu hesc hesh hess heue heun heus hex- hexe hhex hhhh hhhs hhus hnce hncs hnhs hscc hscn hses hshs hsse huch hucs hucu hues huhn huhs huhu hunc hune hunh huns hunx huse hush huss huus nccc nccn nccs nccu ncec ncee ncen nces nchc nchs ncnc ncsc ncse ncss ncue necc nece nech necs neen nees nehe nehs nehu nene nenh nens nenu nesc nese nesh nesn ness neuc neue neun neuu nexe nexx nhcc nhhs nhnn nhsc nnes nnhs nnnn nnss nscc nscs nsec nshs nssc nsse nsss nuce nuch nucs nucu nuee nunc nune nunn nuns nuse nush nuss nusu sccc scce sccs scec scee sch- sche schh schs scsc scsh scsn scsu scun se-c se-e se-h se-n se-s se-u se-x sec- secc sece sech secn secs secu seec seeh seen sees seeu seex sehe sehs sene senn sens sesc sese sesh sess seux sex- sexe shcc she- shee sheh shen shes sheu shhh shhs shne shsc shue shun shus shuu sncc snee sneh snes snhs snns snus sscc ssce sscs ssec ssee sses ssex sshs ssns sssc sssh ssss suc- succ such sucs suee suen sues sueu sun- sune sunn suns sunu sus- suse suss susu suus sux- suxe uces uche uchs ucsc ucsu uesn uess uhss uhuh uncc unce unch uncs unec unee unen unes unne unns uns- unsc unus uscc usce usch uscs usee usen uses ushs ushu usnc usnu ussc usse usss ussu usun usus uuen uuuu uxue uxus xces xen- xene xenn xenu xeus xexe xnee xsun xuxu xxxx