a-be a-do a-ii aaaa aaab aaad aaae aaai aaap aaba aabb aabd aabi aabp aada aade aadi aaea aaep aaib aaii aaoe aaoo aapa aapi aapo abaa abab abad abae abai abap abb- abba abbb abbe abbi abbo abda abdi abdo abed abee abia abib abid abie aboa abob abod aboo abpa abpd abpi abpp adaa adab adad adae adai adao adap adba adbi adda addd adde addi addo adea adeb adee adeo adia adib adie adio adip adob adod adoe adoo adp- aeap aebi aede aeio aiai aiba aibo aida aidb aide aidi aiea aiee aiia aiib aiid aioi aipa aipe aipi aoba aopo apai apao apap apba apda apdd apea aped apep api- apia apid apie apio apip apo- apod apoe apoo apop appa appd ba-i baaa baad baba babb babe babi babo bada badb badd bade badi bado baed baia baib baid baie baio bapa bape bapi bapp bbad bbbb bbdd bbdo bbeb bdii bead beap beba bebb bebe bebi bebo beda bede bedi bedo beeb beed beep beia beo- beod bepo biad biao biap biba bibb bibe bibi bibo bida bide bidi bido bieb bied bio- bioi bipa bipp boab boad boai boba bobb bobe bobi bobo boda bodb bode bodi bodo boea boee boeo boep boi- boid boie boii boob bood booe boop bopa bope bopp bpai bpda bpea bpoe d-bo daab daad daae daap daba dabb dabo dabp dada dade dadi dado daeb daia daid daie daio dapa dape dapi dapp dbpd dddd ddie ddpo dead deae deap deba debe debi deda dedd dede dedi dedo deeb deed deep deid deie deip deop depa depe depo depp dia- diab diad diao diap diba dibb dibe dibo dibp dida dide didi dido diea dieb died diep diii diop dipa dipe dipo dipp doab doae doap doba dobb dobe dobi dod- doda dodd dode dodi dodo doea doid doob dood doop dopa dope dopo dopp dpaa dpie dppa eaba eada eadb eadd eadi eadp eaop eapp ebba ebbo ebed ebid eboe eboo ebpo edad edda edde eddi eddo eddp ede- edea edei edia edie edip edod eede eeea eeee eiao eid- eide eidi eido eied eiei eipo eode epaa epad epee epi- epia epid epie epip epod eppa eppo eppp i-be iaaa iaai iaap iaba iadb iaea iaep iaia iapa iapp ibad ibdo ibea ibed ibia ibid ibie idad idae idbe idda iddo idea ided idee ideo idia idid idie idio ieie ieio iepa iida iide iied iiie iiii iiio iioi iioo iiop iipa ioba iobi iod- ioda iodd iode iodo ioee ioii ioio iooi iooo ipad ipba ipdi ipea ipid ipie ipod ipoe ipop ippa ippo o-eo oade oapi obad obai obba obbo obea obed obia obid obie oboe oboi odai odbo odda oddd oddi odea oded odei odeo odia odie odio odoo odop oedo oeid oepa oiba oido oiii ooaa ooba oobe oobi ooda oodi ooia ooid oooo opap oped opei opep opia opie opii opio opo- oppa oppi oppo paap paba pada padd pade padi pado paea paep paia paib paid paie paio paip papa papb pape papi papp pbed pbpa pdea pdpa peab peai peap peba ped- peda pede pedi pedo peed peep peia peio peip pepa pepd pepe pepi pepo piai piao pibb pibi pida pide pido piea pied piep piia piip piob pipa pipe pipi pipo pipp poad poba pobo pod- poda podd pode podi podo poea poed poia poid poio pood poop pop- popa pope popi popo popp ppad ppap ppib ppid ppie ppoa ppod pppa pppd pppo pppp