a-ha aaaa aaac aaad aaaf aaah aaca aacc aacd aacf aach aada aadc aafa aafc aafd aaff aaha acaa acac acad acca accc accd accf acch acda acdc acdf acfc acfd acha achh adaa adac adad adah adcc adda addc addd adfa adfc adha adhd afaa afad afca afcc afch afdc affa affc ahac ahad ahah ahfa ahha c-cd caaa caac caaf caah cac- caca cacc cach cada cadc cadd cafa cafc caff caha ccaa ccac ccad ccaf ccca cccc cccf ccdc ccdf ccdh ccfa ccfc ccfd ccff ccha cdaa cdac cdad cdda cdfa cfaa cfac cfca cfcf cfda chaa chac chad chaf chah chca chch chfa chfc chha daad daca dada dafa dafc daff daha dcca dccc dcfc dddd dfaf dfcc dffa dhaa dhad dhfc faaa faac faad faah faca facc fach fada fadd fafa fafc faff faha fahd fcca fccf fcch fcda fdca ffcc ffff haad haaf hada hadf hadh hafd haff haha hcca hccc hcch hcfa hcfc hdca hdda hdfc hhaa hhhh