a-be a-ii aaaa aaab aaad aaae aaai aaba aabb aabd aabi aada aade aadi aaea aage aaib aaii abaa abab abad abae abag abai abb- abba abbb abbe abbi abda abdi abed abee abgd abia abib abid abie abig adaa adab adad adae adag adai adba adbi adda addd adde addi adea adeb adee adia adib adie adig aebi aede aega agad agag agai agba agda agde agea aged agee agei agga agge aggi agia agib agid agie agig agii aiai aiba aida aidb aide aidi aiea aiee aiga aiia aiib aiid ba-i baaa baad baba babb babe babi bada badb badd bade badi baed baga bage bagg bagi baia baib baid baie baig bbad bbbb bbdd bbeb bbga bdii bead beag beba bebb bebe bebi beda bede bedi beeb beed beeg bega begg begi beia bgia biad biba bibb bibe bibi bida bide bidi bieb bied biga bigb bigd bige bigg daab daad daae daag daba dabb dada dade dadi daeb daga dage dagg dagi daia daid daie daig dbag dddd ddie dead deae deba debe debi deda dedd dede dedi deeb deed deeg dega dege degi deid deie dgeg dgge dgia dia- diab diad diag diba dibb dibe dida dide didi diea dieb died diga dige digg digi diii eaba eada eadb eadd eadi eaga eage ebba ebed ebid edad edag edda edde eddi ede- edea edei edge edia edie eede eeea eeee eega egaa egad egae egba egbe egea egee eggb egge eggi eid- eide eidi eied eiei eige eigg gaba gabb gabe gabi gada gadd gade gadi gaea gaed gaga gage gagg gagi gaia gaid gaie gaig gbag gbde gddb geab gead geai geba gebe gebi geda gedd gede gedi geed gege gegg geia geie geig gggg giaa giad giai giba gibb gibe gida gidd gide gidi gied giga gige gigg gigi i-be iaaa iaai iaba iadb iaea iaia ibad ibea ibed ibeg ibga ibge ibia ibid ibie idad idae idbe idda idea ided idee idia idid idie idig ieie igad igba igea igga igia iida iide iied iiie iiii