a-ha aaaa aaac aaad aaah aaca aacc aacd aach aact aada aadc aadt aaha aata aatc aatt ac-t acaa acac acad acat acca accc accd acch acct acda acdc acdt acha achh acht acta actc acth actt adaa adac adad adah adat adcc adda addc addd adha adhd adta ahac ahad ahah ahat ahha ahta at-t ataa atac atad atat atca atcc atch atdt atha atta c-cd caaa caac caah caat cac- caca cacc cach cada cadc cadd caha caht cat- cata catc catd cath catt ccaa ccac ccad ccat ccca cccc ccdc ccdh ccha cctc cctt cdaa cdac cdad cdda chaa chac chad chah chat chca chch chha chtt ctca ctta daad daca dact dada daha data datt dcca dccc dcct dctc dddd dhaa dhad dhat dtaa dtac dtcc dthd haad haat hada hadh haha haht hata hath hatt hcat hcca hccc hcch hdca hdda hdtt hhaa hhat hhhh htcc taa- taat taca tacc tach tact tada taha tata tath tatt tcad tcca tccc tcdd tch- tcha tchh tctc tdac thaa thad that thca thch tttt