a-be aaaa aaab aaad aaae aaal aaba aabb aabd aabl aada aade aaea aala aald aale aall abaa abab abad abae abal abb- abba abbb abbe abda abed abee abel abla able adaa adab adad adae adal adba adda addd adde addl adea adeb adee adel adle aede aela alaa alad alae alal alb- alba albe ald- alda alde aldl alea aled alee all- alla alle alll baaa baad baal baba babb babe bada badb badd bade baed bael bala bald bale ball bbad bbbb bbdd bbeb bblb bdle bead beal beba bebb bebe beda bede bedl beeb beed beel bela beld bele bell blaa blab blad blae blea bleb bled blee daab daad daae daal daba dabb dada dade daeb dala dale dall dddd dead deae deal deba debe deda dedd dede deeb deed deel dela deld dele dell dlab dlbd e-la eaba eada eadb eadd eala eald eale ebal ebba ebed ebel ebla edad edda edde ede- edea edel edla edle eede eeea eeee eele el-b elab elad elal elba elbe elda elde elea eled elee ella elle laaa laad laal laba labe lada ladd lade lael lala lald lale lall leaa lead leal leba lebd leda lede leea leed leel lela lele lell lldb llll