-ana aaaa aaac aaad aaan aaca aacc aacd aacn aact aada aadc aadt aana aand aata aatc aatt ac-t acaa acac acad acan acat acca accc accd acct acda acdc acdt acta actc actt adaa adac adad adan adat adcc adda addc addd addn adna adta ana- anaa anac anad anan anat anca ancc anct and- anda andt anna annt ant- anta antt at-t ataa atac atad atan atat atca atcc atdt atna atta attn c-cd caaa caac caan caat cac- caca cacc cada cadc cadd cana canc cand cann cant cat- cata catc catd catt ccaa ccac ccad ccat ccca cccc ccdc ccdn ccna ccnc cctc cctt cdaa cdac cdad cdda cdna cdnc cnaa cnac cnda cndd cnna cnta cntc ctan ctca ctta cttn d-na daad daan daca dact dada dana dand dann dant data datt dcca dccc dcct dctc dddd dnaa dnac dnad dnan dnat dntt dtaa dtac dtcc dtna naaa naac naad naan naat naca nacc nacd nada nadc nan- nana nand nann nant nata natc natt ncaa ncac ncat ncca nccc nccn ncct ncda ncdc ncdn ncna ncnc ncnd ncta nctc ndaa ndcc ndna ndnt ndtc nnnn nntn ntcc ntnd taa- taan taat taca tacc tact tada tana tand tann tant tata tatt tcad tcca tccc tcdd tcnn tctc tdac tdna tnca tncc tndd ttcn tttt