-ana -ane -ene a-be aaaa aaab aaad aaae aaan aaba aabb aabd aada aade aaea aaen aana aand aane abaa abab abad abae aban abax abb- abba abbb abbe abda abed abee aben adaa adab adad adae adan adba adda addd adde addn adea adeb adee aden adna aean aebn aede aena aend ana- anaa anab anad anae anan anax anba anbb and- anda ande anee anen anex anna annb anne axan axed axen ba-x baaa baad baan baba babb babe bada badb badd bade baed bana band bane bann bbad bbbb bbdd bbeb bdna bead bean beba bebb bebe beda bede beeb beed been bena bend bene benn d-na daab daad daae daan daba dabb dada dade daeb dana dand dane dann dddd dead deae dean deba debe deda dedd dede deeb deed deen dena dene denn dex- dexa dexe dnaa dnab dnad dnae dnan dnax dxab dxbe dxbn dxed dxnd dxxx eaba eada eadb eadd eana eban ebba ebed eben edad edan edax edda edde ede- edea eden edex edna eede eeea eeee eena eend enab enan enb- enbn end- enda ende enea ened enee enna enne exa- exan exda exed exen naaa naab naad naan naba nabe nada nade naea nan- nana nanb nand nane nann nbaa nbad ndaa nddb ndde ndna neab nead nean neba nebb nebe nebn neda nedd nede neea neeb need neen nena nend nene nexe nexx nndb nnnn nxdn x-ed xana xand xbee xdna xen- xena xene xenn xexe xnee xxxx