a-ha aaaa aaac aaae aaah aaca aacc aace aach aaea aaec aage aagh aaha acaa acac acae acag acca accc acce acch ace- acea acec aceh acga acha ache achh aeac aega agac agag agca agcc agce agea agee agga agge agha aghe ahac ahah ahha caaa caac caah cac- caca cacc cace cach caec caga cage cagg caha cahe ccaa ccac ccag ccca cccc ccee ccga ccgc ccha cche ceac cec- ceca cece ceec cege cgac cgcc cgcg chaa chac chae chag chah chca chce chch chea chec chee cheh chge chha eaca eacc each eaec eaga eage ecaa ecac ecca eccc ecce echa eche eeca eeea eeee eega egaa egae egcc egcg egea egec egee egge eggh eghe eghh ehaa ehcc ehea eheh gace gach gaea gaec gaga gage gagg gaha gahe gc-c gcaa gccc geca gece gege gegg geha gggg gghg ghea ghee gheg haag hace haec hag- haga hage hagg hagh haha hcca hccc hcch hcgh heah heca hech heeg hega hege hegg hegh hehe hgah hggc hhaa hhgg hhhh