a-do a-ii aaaa aaac aaad aaai aaca aacc aacd aaci aaco aact aada aadc aadi aadt aaic aaii aaoo aata aatc aatt ac-t acaa acac acad acai acat acca accc accd acci acco acct acda acdc acdi acdt aci- acia acic acid acoa acod acot acta actc acti acto actt adaa adac adad adai adao adat adcc adci adda addc addd addi addo adia adic adio adit adoc adod adoo adot adta aiai aica aicc aicd aida aidc aidi aidt aiia aiic aiid aioc aioi aita aiti aitt aoca aotc aotd at-t ataa atac atad atai atat atca atcc atco atdi atdt atia atic atid atit atoc atod atoi atot atta atti atto c-cd caaa caac caat cac- caca cacc caci caco cada cadc cadd cadi cado caia caic caid caio cait caod caoi cat- cata catc catd cati cato catt ccaa ccac ccad ccai ccat ccca cccc ccci ccdc ccdi ccic ccid ccii ccoc ccod cctc cctt cdaa cdac cdad cdai cdda cdic cdii cdio cdot ciaa ciao ciat cica cicc cici cico cict cida cidc cidi cidt ciia ciid ciii ciit cita citi cito citt coad coai coat coca coco coct coda codd codi coia coit cood coot cota cotc coti coto cott ctca ctia ctic ctot ctta daad daca daci dact dada dadi dado daia daid daio dait data dati dato datt dcca dccc dcci dcct dcia dcii dcio dctc dddd ddoc ddot dia- diac diad diao diat dica dici dico dict dida didi dido diii dioc diot dita diti dito ditt doat doca doci doco doct dod- doda dodd dodi dodo doid doit dood doot dota dotd doti doto dott dtaa dtac dtcc dtot iaaa iaac iaai iaat iaca iacc iact iadc iadt iaia iata iatc iati icaa icac icad icai icao icat icca iccc icci icco icct icdc icdd icoc icod icta idad idat idca idda iddo idia idic idid idio idoc idta iiac iica iicd iida iiii iiio iiit iioi iioo iita iitt ioci iod- ioda iodd iodo ioii ioio ioit iooi iooo iota ioto itaa itac itai itat itdo itia itic itoi itoo itta itto oaic ocac ocad ocat occa occc occi occt oct- octa octi octo odac odai odci odda oddd oddi odia odic odio odoo odot oici oido oiii oita oitc oiti ooaa ooda oodi ooia ooid oooo otac otcd otic otit oto- otoo otta otti otto taa- taat taca tacc taci taco tact tada tado taia taio tait taoa tata tati tato tatt tcad tcca tccc tcdd tctc tdac tiaa tiao tica ticc tico tidc tidd tiit tita titc titi tito titt toad toat toca toci toco toda todd todi todo todt toid toit tooa tood toot tota totc totd toti toto tott tttt