-ene bbbb bbch bbdd bbeb bcbc bccc bcde bcec bchd bche bdbc bddc bddh bebb bebe bech bede beeb beed been behn bend bene benn bhcc c-cd cbbc cbcc cbce cbcn cbdb cbdc cbdn cbec cbee cbnd ccbc ccbn cccb cccc ccdc ccdh ccdn cced ccee cche ccnb ccnc ccne cd-e cddb cdec cdnb cdnc cec- cece cedd cede ceeb ceec cen- cend cene chce chch cheb chec ched chee cheh chen chnb chnc cnbc cndd dbcc dcbc dccb dccc dcdb dche dddd debe dec- decc decd dece dedd dede deeb deed deen dehn dene denn dhec dhed dhee dnce ebbc ebcc ebed eben ecbc ecbe eccb eccc ecce ecdc eced eche ecne eddc edde ede- edeh eden eede eeee eend ehcc ehdd eheh ehen enb- enbn ence ench end- ende endh ened enee ennc enne hbcd hcbc hccb hccc hcch hebb hebe hech hedd hede heeb heed hehe hehn hend hene henh henn hhhh hnce hndd nbbc nbcc nbhd ncbc nccc nccn ncdc ncdn ncec nced ncee ncen nchc nchd ncnc ncnd ndcc nddb ndde nebb nebe nebn necc nece nech nedc nedd nede neeb need neen nehe nend nene nenh nhcc nheb nhnn nndb nnnn