-vac a-do a-ii a-iv aaaa aaac aaad aaai aaav aaca aacc aacd aaci aaco aacv aada aadc aadi aaic aaii aaoo aava acaa acac acad acai acca accc accd acci acco acda acdc acdi aci- acia acic acid acoa acod acvv adaa adac adad adai adao adcc adci adda addc addd addi addo adia adic adio adoc adod adoo advi aiai aica aicc aicd aida aidc aidi aiia aiic aiid aioc aioi aiva aivd aoca avao avcc avco avda avdi avia avic avid avio aviv avva avvo c-cd caaa caac cac- caca cacc caci caco cada cadc cadd cadi cado caia caic caid caio caod caoi cava cavi cavo ccaa ccac ccad ccai ccca cccc ccci cccv ccdc ccdi ccic ccid ccii cciv ccoc ccod ccvi ccvo cdaa cdac cdad cdai cdda cdic cdii cdio cdiv cdvd cdvi ciaa ciao cica cicc cici cico cida cidc cidi ciia ciid ciii civa civc civo coad coai coca coco coda codd codi coia cood cova covo cvac cvca cvcc cvid cvii daad daca daci dada dadi dado daia daid daio dava davi dcca dccc dcci dccv dcia dcii dcio dciv dcvd dcvi dddd ddoc dia- diac diad diao dica dici dico dida didi dido diii diiv dioc diva divd divi divo doca doci doco dod- doda dodd dodi dodo doid dood dovi dvda dvi- dvii dvoa iaaa iaac iaai iaca iacc iadc iaia iava icaa icac icad icai icao icca iccc icci icco icdc icdd icoc icod idad idca idda iddo idia idic idid idio idoc idvd iiac iica iicd iida iiii iiio iioi iioo ioci iod- ioda iodd iodo ioii ioio iooi iooo ivai ivao ivda ivic ivod oaic ocac ocad occa occc occi odac odai odci odda oddd oddi odia odic odio odoo odva oiav oici oido oiii ooaa ooda oodi ooia ooid oooo ovda ovi- ovid ovo- ovod ovoo vaad vaca vaco vada vadi vado vaia vaid vaio vava vcci vdcc vdio viad vic- vica vici vico vida vidi vido viii viva vivi vivo voad voca voda vodo voia voic void voio vooc vvvv