a-do aaaa aaad aaae aaap aaav aada aade aaea aaep aaev aaoe aaoo aapa aapo aava adaa adad adae adao adap adda addd adde addo adea adee adeo adod adoe adoo adp- aeap aede aeva aopo apao apap apda apdd apea aped apep apev apo- apod apoe apoo apop appa appd avao avda avdp avea aveo avva avvo daad daae daap dada dade dado dapa dape dapp dava dave dddd ddpo dead deae deap deda dedd dede dedo deed deep deev deop depa depe depo depp deva deve devo doae doap dod- doda dodd dode dodo doea dood doop dopa dope dopo dopp dove dpaa dppa dvda dvoa eada eadd eadp eaop eapp eave eavp edad edda edde eddo eddp ede- edea edod edve eede eeea eeee eeva eode epaa epad epee epod eppa eppo eppp evae evap evea evoe evoo evop o-eo oade odda oddd odea oded odeo odoo odop odva oedo oepa oevp ooaa ooda oooo opap oped opep opo- oppa oppo ovda ovde ovee ovo- ovod ovoo ovpp paap pada padd pade pado paea paep papa pape papp pava pave pavo pdea pdpa peap ped- peda pede pedo peed peep peev pepa pepd pepe pepo poad pod- poda podd pode podo poea poed pood poop pop- popa pope popo popp povo ppad ppap ppoa ppod pppa pppd pppo pppp pvda pvpa vaad vada vade vado vapa vape vava veda vede vedo veep vepe veve vevo voad voda vode vodo vvvv