a-do a-ii a-iv aaaa aaad aaai aaap aaav aada aadi aaii aaoo aapa aapi aapo aava adaa adad adai adao adap adda addd addi addo adia adio adip adod adoo adp- advi aiai aida aidi aiia aiid aioi aipa aipi aiva aivd aopo apai apao apap apda apdd api- apia apid apio apip apo- apod apoo apop appa appd avao avda avdi avdp avia avid avio avip aviv avva avvo daad daap dada dadi dado daia daid daio dapa dapi dapp dava davi dddd ddpo dia- diad diao diap dida didi dido diii diiv diop dipa dipo dipp diva divd divi divo doap dod- doda dodd dodi dodo doid dood doop dopa dopo dopp dovi dpaa dppa dvda dvi- dvii dvoa iaaa iaai iaap iaia iapa iapp iava idad idda iddo idia idid idio idvd iida iiii iiio iioi iioo iiop iipa iod- ioda iodd iodo ioii ioio iooi iooo ipad ipdi ipid ipod ipop ippa ippo ivai ivao ivda ivod oapi odai odda oddd oddi odia odio odoo odop odva oiav oido oiii ooaa ooda oodi ooia ooid oooo opap opia opii opio opo- oppa oppi oppo ovda ovi- ovid ovo- ovod ovoo ovpp paap pada padd padi pado paia paid paio paip papa papi papp pava pavo pdpa piai piao pida pido piia piip pipa pipi pipo pipp piva pivo poad pod- poda podd podi podo poia poid poio pood poop pop- popa popi popo popp povo ppad ppap ppid ppoa ppod pppa pppd pppo pppp pvda pvpa vaad vada vadi vado vaia vaid vaio vapa vapi vava vdio viad vida vidi vido viii viva vivi vivo voad voda vodo voia void voio voip vvvv