a-do a-ii aaaa aaac aaad aaai aaca aacc aacd aaci aaco aada aadc aadi aaic aaii aaoo acaa acac acad acai acca accc accd acci acco acda acdc acdi aci- acia acic acid acoa acod adaa adac adad adai adao adcc adci adda addc addd addi addo adia adic adio adoc adod adoo aiai aica aicc aicd aida aidc aidi aiia aiic aiid aioc aioi aoca c-cd caaa caac cac- caca cacc caci caco cada cadc cadd cadi cado caia caic caid caio caod caoi ccaa ccac ccad ccai ccca cccc ccci ccdc ccdi ccic ccid ccii ccoc ccod cdaa cdac cdad cdai cdda cdic cdii cdio ciaa ciao cica cicc cici cico cida cidc cidi ciia ciid ciii coad coai coca coco coda codd codi coia cood daad daca daci dada dadi dado daia daid daio dcca dccc dcci dcia dcii dcio dddd ddoc dia- diac diad diao dica dici dico dida didi dido diii dioc doca doci doco dod- doda dodd dodi dodo doid dood iaaa iaac iaai iaca iacc iadc iaia icaa icac icad icai icao icca iccc icci icco icdc icdd icoc icod idad idca idda iddo idia idic idid idio idoc iiac iica iicd iida iiii iiio iioi iioo ioci iod- ioda iodd iodo ioii ioio iooi iooo oaic ocac ocad occa occc occi odac odai odci odda oddd oddi odia odic odio odoo oici oido oiii ooaa ooda oodi ooia ooid oooo