a-be a-do a-ii aaaa aaab aaad aaae aaai aaba aabb aabd aabi aada aade aadi aaea aaib aaii aaoe aaoo abaa abab abad abae abai abb- abba abbb abbe abbi abbo abda abdi abdo abed abee abia abib abid abie aboa abob abod aboo adaa adab adad adae adai adao adba adbi adda addd adde addi addo adea adeb adee adeo adia adib adie adio adob adod adoe adoo aebi aede aeio aiai aiba aibo aida aidb aide aidi aiea aiee aiia aiib aiid aioi aoba ba-i baaa baad baba babb babe babi babo bada badb badd bade badi bado baed baia baib baid baie baio bbad bbbb bbdd bbdo bbeb bdii bead beba bebb bebe bebi bebo beda bede bedi bedo beeb beed beia beo- beod biad biao biba bibb bibe bibi bibo bida bide bidi bido bieb bied bio- bioi boab boad boai boba bobb bobe bobi bobo boda bodb bode bodi bodo boea boee boeo boi- boid boie boii boob bood booe d-bo daab daad daae daba dabb dabo dada dade dadi dado daeb daia daid daie daio dddd ddie dead deae deba debe debi deda dedd dede dedi dedo deeb deed deid deie dia- diab diad diao diba dibb dibe dibo dida dide didi dido diea dieb died diii doab doae doba dobb dobe dobi dod- doda dodd dode dodi dodo doea doid doob dood eaba eada eadb eadd eadi ebba ebbo ebed ebid eboe eboo edad edda edde eddi eddo ede- edea edei edia edie edod eede eeea eeee eiao eid- eide eidi eido eied eiei eode i-be iaaa iaai iaba iadb iaea iaia ibad ibdo ibea ibed ibia ibid ibie idad idae idbe idda iddo idea ided idee ideo idia idid idie idio ieie ieio iida iide iied iiie iiii iiio iioi iioo ioba iobi iod- ioda iodd iode iodo ioee ioii ioio iooi iooo o-eo oade obad obai obba obbo obea obed obia obid obie oboe oboi odai odbo odda oddd oddi odea oded odei odeo odia odie odio odoo oedo oeid oiba oido oiii ooaa ooba oobe oobi ooda oodi ooia ooid oooo