a-a a-c aaa aac aaf aav ac- aca acc acf acv af- afa afc aff afv av- ava avc avf c-- caa cac caf cav cca ccc ccf ccv cfa cfc cff cfv cva cvc cvf cvv faa fac faf fav fca fcc fcf fcv ffa ffc fff ffv fva fvc v-a vaa vac vav vca vcc vcf vfa vfc vff vfv vva vvc vvv

-vac aaaa aaac aaaf aaav aaca aacc aacf aacv aafa aafc aaff aava acaa acac acca accc accf acfc acvv afaa afca afcc affa affc avcc avva caaa caac caaf cac- caca cacc cafa cafc caff cava ccaa ccac ccaf ccca cccc cccf cccv ccfa ccfc ccff cfaa cfac cfav cfca cfcf cvac cvca cvcc faaa faac faca facc fafa fafc faff fava fcca fccf ffcc ffff vaca vafa vava vfcc vvvv

-aaa- acaca c-a-c ca-ca caffa cavac ccccc fcaca vacca

cafcaf vvvvvv

aaaaaaaaaaaaaaa ccccccccccccccc