a-be a-do a-ii aaaa aaab aaad aaae aaai aaba aabb aabd aabi aada aade aadi aadu aaea aaib aaii aaoe aaoo abaa abab abad abae abai abau abax abb- abba abbb abbe abbi abbo abda abdi abdo abdu abed abee abia abib abid abie abiu aboa abob abod aboo abou abox abua abud abue adaa adab adad adae adai adao adba adbi adda addd adde addi addo addu adea adeb adee adeo adia adib adie adio adob adod adoe adoo adox adua adub adue aebi aede aeio aiai aiba aibo aida aidb aide aidi aidu aiea aiee aiia aiib aiid aioi aiud aiui aixa aixi aoba aoeu auaa aube aude audi audo auxa axed axi- axia axie axo- axoa axxo ba-i ba-x baaa baad baba babb babe babi babo babu bada badb badd bade badi bado badu baed baia baib baid baie baio baix bau- baud baux baxi bbad bbau bbbb bbdd bbdo bbeb bbox bdii bead beau beba bebb bebe bebi bebo beda bede bedi bedo bedu beeb beed beia beo- beod beux biad biao biba bibb bibe bibi bibo bida bide bidi bido bidu bidx bieb bied bieu bio- bioi biou biox bixa bixi boab boad boai boba bobb bobe bobi bobo bobu boda bodb bode bodi bodo bodu boea boee boeo boi- boid boie boii boiu boob bood booe boox boua boud boue boxa buad buba bubb bube bubi bubo bubu buda budb budd bude budi budo budu buea bueu buid buie buiu buix buxa d-bo d-ix daab daad daae daau daba dabb dabo dabu dada dade dadi dado dadu daeb daeu daia daid daie daio daix daou daub daud daue daux dddd ddie ddub dead deae deau deba debe debi debu deda dedd dede dedi dedo dedu deeb deed deid deie deua deue deux dex- dexa dexe dia- diab diad diao diax diba dibb dibe dibo dida dide didi dido didu diea dieb died dieu diex diii diou diux dixi do-x doab doae doba dobb dobe dobi dobu dod- doda dodd dode dodi dodo doea doid doix doob dood doub doud doue doux doxa duaa duab duad dub- duba dubb dube dubu duda dudd dude dudo dudu duid duo- dxab dxbe dxed dxii dxix dxue dxxx eaba eada eadb eadd eadi eaiu eaux ebba ebbo ebed ebid ebix eboe eboo ebox edad edax edda edde eddi eddo ede- edea edei edex edia edie edod edou eede eedu eeea eeee eiao eid- eide eidi eido eidu eied eiei eiou eode eoux euba eubi eude euoi exa- exai exda exed exid exo- exod i-be iaaa iaai iaba iadb iaea iaia ibad ibdo ibea ibed ibex ibia ibid ibie ibox idad idae idbe idda iddo idea ided idee ideo idex idia idid idie idio idub iduo ieie ieio ieud iida iide iied iiie iiii iiio iioi iioo ioba iobi iod- ioda iodd iode iodo ioee ioii ioio iooi iooo iuiu ixia ixxi o-eo oaau oade obad obai obba obbo obea obed obex obia obid obie obix oboe oboi obox odai odax odbo odda oddd oddi odea oded odei odeo odex odia odie odio odiu odoo odou oeax oedo oeid oiba oido oiii ooaa ooba oobe oobi ooda oodi ooia ooid oooo ouad oude ouea oued ouie ouii ouu- oxa- oxea oxi- oxia oxid oxie oxo- oxox oxud oxxo u-ie uaua ubba ubbe ubbi ubbo ubid ubii ubod ubud udaa udad udau uddi udea udid udoo udox ueba ueda uuuu uxia uxue x-ed xado xaui xbai xbee xbox xexe xiao xibe xibo xibu xidi xiii xixi xoxo xuda xuxa xuxu xxii xxix xxxi xxxo xxxx