a-be a-do a-ii a-iv aaaa aaab aaad aaae aaai aaav aaba aabb aabd aabi aada aade aadi aaea aaev aaib aaii aaoe aaoo aava abaa abab abad abae abai abb- abba abbb abbe abbi abbo abda abdi abdo abed abee abia abib abid abie aboa abob abod aboo abov abva abvd 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 advb advi aebi aede aeio aeva aiai aiba aibo aida aidb aide aidi aiea aiee aiia aiib aiid aioi aiva aivd aoba avab avao avda avdi avea aveo avia avid avie avio aviv avva avvo ba-i baaa baad baba babb babe babi babo bada badb badd bade badi bado baed baia baib baid baie baio bava bave bavi bbad bbbb bbdd bbdo bbeb bdav bdii bead beav beba bebb bebe bebi bebo beda bede bedi bedo beeb beed beia beo- beod bevo biad biao biba bibb bibe bibi bibo bida bide bidi bido bieb bied bio- bioi bive bivi boab boad boai boba bobb bobe bobi bobo boda bodb bode bodi bodo boea boee boeo boi- boid boie boii boob bood booe bova bove bovi bovo d-bo daab daad daae daba dabb dabo dada dade dadi dado daeb daia daid daie daio dava dave davi dddd ddie dead deae deba debe debi deda dedd dede dedi dedo deeb deed deev deid deie deva deve devi devo dia- diab diad diao diba dibb dibe dibo dida dide didi dido diea dieb died diii diiv diva divd dive divi divo doab doae doba dobb dobe dobi dod- doda dodd dode dodi dodo doea doid doob dood dove dovi dvda dvi- dvii dvoa eaba eada eadb eadd eadi eave ebba ebbo ebed ebid eboe eboo edad edda edde eddi eddo ede- edea edei edia edie edod edve eede eeea eeee eeva eiao eid- eide eidi eido eied eiei eode evae evdb evea evia evid evie evoe evoo i-be iaaa iaai iaba iadb iaea iaia iava ibad ibdo ibea ibed ibia ibid ibie idad idae idbe idda iddo idea ided idee ideo idia idid idie idio idvd idve ieie ieio ieva iida iide iied iiie iiii iiio iioi iioo ioba iobi iod- ioda iodd iode iodo ioee ioii ioio iooi iooo ivai ivao ivbv ivda ivea ivie ivod o-eo oade obad obai obba obbo obea obed obia obid obie oboe oboi obvi odai odbo odda oddd oddi odea oded odei odeo odia odie odio odoo odva oedo oeid oiav oiba oido oiii ooaa ooba oobe oobi ooda oodi ooia ooid oooo ovda ovde ovee ovi- ovid ovie ovo- ovod ovoo vaad vada vade vadi vado vaia vaid vaie vaio vava vdio veba veda vede vedi vedo veia veid veie veii veve vevi vevo viad viae vibe vida vide vidi vido vied viii viva vive vivi vivo voad voda vode vodo voei voia void voie voio vvob vvvv