a-be a-do aaaa aaab aaad aaae aaam aaav aaba aabb aabd aabm aada aade aaea aaem aaev aama aamb aamd aame aamo aaoe aaoo aava abaa abab abad abae abam abb- abba abbb abbe abbo abda abdo abed abee abma abmb aboa abob abod aboo abov abva abvd adaa adab adad adae adam adao adba adda addd adde addo adea adeb adee adem adeo adma admb adme adob adod adoe adoo advb aede aeom aeva amaa amad amae amam amb- amba ambe ambo amda amdo amed amee amm- amma amme ammo amob amod amoo aoba aoma avab avao avda avea aveo avma avva avvo baaa baad baam baba babb babe babm babo bada badb badd bade bado baed bama bamb bame bamm bava bave bbad bbbb bbdd bbdo bbeb bdav bead beam beav beba bebb bebe bebo beda bede bedo beeb beed beem bema beme beo- beod bevo bmaa bmdb boab boad boba bobb bobe bobo boda bodb bode bodo boea boee boeo boma bomb bome boob bood booe boom bova bove bovo d-bo daab daad daae daam daba dabb dabo dada dade dado daeb daem dama damb dame damm damo dava dave dddd dead deae deba debe deda dedd dede dedo deeb deed deem deev dem- dema demb demd deme demo deva deve devo dmaa dmab dmae dmba dmea doab doae doba dobb dobe dod- doda dodd dode dodo doea doma domb dome domm domo doob dood doom dove dvda dvoa eaba eada eadb eadd eama eame eaom eave ebam ebba ebbo ebed eboe eboo edad edam edda edde eddm eddo ede- edea edem edma edme edod edom edve eede eeea eeee eemo eeva emad emae emam emba embd embe embo emma emme emod eode evae evdb evea evoe evoo maaa maad maam maba mabe mabo mada madb madd made mado maee maem maeo maev mama mame mamo mava mavo mbam mbav mbba mbda mbdb mbed mddm mdea mdma mdme mead meav mebe mebo meda medb medd mede medo meed meem mema meme memo meva meve mmaa mmab mmda mmdb mmdv mmea mmmd mmmm mmod moaa moab moam moba mobb mobe mobo moda modd mode modo moea moed moev moma mome momo mooa moob mood mooe moov mova move mvee o-eo oade oadm oama obad obba obbo obea obed oboe odam odbo odda oddd odea oded odem odeo odma odom odoo odva oedo oeme omam omao ombe ombo omda omdb omed omee omeo omma omo- omoa omoe omoo omov ooaa ooba oobe ooda ooma oome oooo ovda ovde ovee ovo- ovod ovoo v-me vaad vada vade vado vama vame vamo vava vdma veba veda vede vedo vema vemb veve vevo voad voda vode vodo vome voom vvob vvvv