a-do a-ha a-ii aaaa aaac aaad aaah aaai aaca aacc aacd aach aaci aaco aada aadc aadi aaha aaic aaii aaoo acaa acac acad acai acca accc accd acch acci acco acda acdc acdi acha achh achi acho aci- acia acic acid acoa acod acoh adaa adac adad adah adai adao adcc adci adda addc addd addi addo adha adhd adhi adho adia adic adio adoc adod adoo ahac ahad ahah ahai ahdi ahha ahio ahoa ahod aiai aica aicc aicd aich aida aidc aidi aiha aiho aiia aiic aiid aioc aioi aoah aoca aodh c-cd caaa caac caah cac- caca cacc cach caci caco cada cadc cadd cadi cado caha caia caic caid caio caod caoi ccaa ccac ccad ccai ccca cccc ccci ccdc ccdh ccdi ccha ccic ccid ccii ccoc ccod cdaa cdac cdad cdai cdda cdic cdii cdio chaa chac chad chah chai chao chca chch chci chdi chha chia chic chid chih choc chod choh choi choo ciaa ciao cica cicc cich cici cico cida cidc cidi ciia ciid ciii coad coai coca coch coco coda codd codi coha coho coia cood cooh daad daca daci dada dadi dado daha dahi daia daid daio dcca dccc dcci dcia dcii dcio dddd ddoc dhaa dhad dhai dhao dhod dia- diac diad diao dica dich dici dico dida didi dido diii dioc doca doch doci doco dod- doda dodd dodi dodo doha dohc doid dood h-ii haad haco hada hadh hadi haha haho haid hcca hccc hcch hchi hdca hdci hdda hdoc hdod hhaa hhhh hi-c hiaa hicc hich hico hida hidi hihc hihi hiho hioc hoac hoad hoai hoca hoch hoda hodh hodi hoha hoho hoid hood iaaa iaac iaai iaca iacc iadc iahc iaia icaa icac icad icai icao icca iccc icci icco icdc icdd ichc ichd ichi icho icoc icod idad idah idca idda iddo idha idia idic idid idio idoc ihad ihcc iiac iica iicd iida iiii iiio iioi iioo ioci iod- ioda iodd iodo ioii ioio iooi iooo oaic ocac ocad occa occc occi ocha ochi odac odah odai odci odda oddd oddi odia odic odio odoh odoo ohad ohai ohcc ohhi ohho ohia ohid ohio ohoh oici oido oiii ooaa ooda oodi ooha ooho ooia ooid oooh oooo