a-a a-c aaa aac aad aaf ac- aca acc acd acf ad- ada adc add adf af- afa afc afd aff c-- caa cac cad caf cca ccc ccd ccf cda cdc cdd cdf cfa cfc cfd cff daa dac dad daf dca dcc dcd dcf dda ddc ddd ddf dfa dfc dfd dff faa fac fad faf fca fcc fcd fcf fda fdc fdd fdf ffa ffc ffd fff

aaaa aaac aaad aaaf aaca aacc aacd aacf aada aadc aafa aafc aafd aaff acaa acac acad acca accc accd accf acda acdc acdf acfc acfd adaa adac adad adcc adda addc addd adfa adfc afaa afad afca afcc afdc affa affc c-cd caaa caac caaf cac- caca cacc cada cadc cadd cafa cafc caff ccaa ccac ccad ccaf ccca cccc cccf ccdc ccdf ccfa ccfc ccfd ccff cdaa cdac cdad cdda cdfa cfaa cfac cfca cfcf cfda daad daca dada dafa daff dcca dccc dcfc dddd dfaf dfcc dffa faaa faac faad faca facc fada fadd fafa fafc faff fcca fccf fcda fdca ffcc ffff

-aaa- aaadc aadac acaca accad adada c-a-c ca-ca cadac caffa ccccc d-a-d daada dacca dadda dafca ddddd fadda fcaca

addada cadca cafcaf dadada

ad-dafa

ddddddddd

aaaaaaaaaaaaaaa ccccccccccccccc