a-be a-ha aaaa aaab aaad aaae aaah aaba aabb aabd aabh aada aade aaea aage aagh aaha abaa abab abad abae abag abb- abba abbb abbe abda abed abee abgd abha adaa adab adad adae adag adah adba adda addd adde adea adeb adee adeh adha adhd aede aega agad agag agba agda agde agea aged agee agga agge agha aghe ahab ahad ahah ahed ahha baaa baad baah baba babb babe bada badb badd bade badh baed baga bage bagg bagh baha bbad bbbb bbdd bbeb bbga bddh bead beag beah beba bebb bebe beda bede beeb beed beeg bega begg bhag daab daad daae daag daba dabb dada dade daeb daga dage dagg dagh daha dahe dbag dddd dead deae deba debe deda dedd dede deeb deed deeg dega dege degh deha dgeg dgge dghe dhaa dhad dhag dhed dhee eaba eabh eada eadb eadd eaga eage ebba ebed edad edag edah edda edde ede- edea edeh edge eede eeea eeee eega egaa egad egae egba egbe egea egee eggb egge eggh eghd eghe eghh ehaa ehdd ehea eheh gaba gabb gabe gada gadd gade gaea gaed gaga gage gagg gaha gahe gbag gbde gddb geab gead geba gebe geda gedd gede geed gege gegg geha gggg gghg ghea ghee gheg haab haad haag haba habe hada hade hadh haed hag- haga hage hagg hagh haha hbag hdda head heah hebb hebe heda hedd hede hedg heeb heed heeg hega hege hegg hegh hehe hgah hhaa hhgg hhhh