a-a a-b a-c aaa aab aac aae aaf ab- aba abb abc abe abf ac- aca acb acc ace acf aea aeb aec aee aef af- afa afb afc afe aff baa bab bac bae baf bba bbb bbc bbe bbf bca bcb bcc bce bcf be- bea beb bec bee bef bfa bfb bfc bfe bff c-- caa cab cac cae caf cba cbb cbc cbe cbf cca ccb ccc cce ccf ce- cea ceb cec cee cef cfa cfb cfc cfe cff eaa eab eac eae eaf eba ebb ebc ebe ebf ec- eca ecb ecc ece ecf eea eeb eec eee eef ef- efa efb efc efe eff faa fab fac fae faf fba fbb fbc fbe fbf fca fcb fcc fce fcf fea feb fec fee fef ffa ffc ffe fff

a-be aaaa aaab aaac aaae aaaf aaba aabb aabc aaca aacb aacc aace aacf aaea aaec aafa aafb aafc aaff abaa abab abac abae abaf abb- abba abbb abbe abca abcb abcc abcf abec abee abff acaa acab acac acae acba acca accc acce accf ace- acea acec acfc acfe aeac aeaf aecb afaa afca afcb afcc afee affa affc baaa baaf baba babb babe bac- baca bacc bace bafc baff bbbb bbeb bbfc bcaa bcbc bcca bccc bcec bcfc beaf beba bebb bebe beca beeb beef befa befe beff bfca caaa caab caac caaf caba cabe cabf cac- caca cacc cace caec cafa cafb cafc cafe caff cbac cbbc cbca cbcc cbce cbea cbec cbee cbef cbfb cbfc ccaa ccab ccac ccaf ccba ccbc ccca cccb cccc cccf ccee ccfa ccfc ccff ceac ceba cec- ceca cece ceeb ceec cef- cefa cefc cfaa cfab cfac cfae cfbc cfca cfcb cfcf cffb eaaf eaba eaca eacc eaec eafb ebac ebba ebbc ebcc ebfc ecaa ecac ecbc ecbe ecca eccb eccc ecce ecef ecfa ecfc eeca eeea eeee eefa eefe efab efca effa faaa faac faba fabe faca facc face faeb fafa fafc fafe faff fcab fcba fcca fccf feaf feba fece feeb fefc fefe feff ffcc ffee ffff

-aaa- aaace aaaee aabaa aabba aacbc aaeaf abaab ababa ababe abaca abbac abccc abeba abebe abece abfab acaca acacb aceae aeaea aebbe aface afcea afcec afefe baabe babec babee bacab bacca bacea baffa bbbee beafe becca beeac beebe beffe c-a-c ca-ca caaba caec- caeca caffa caffe cbeff ccccc ceace cebec ceeac eecca eeeee fabae facea fcaca fface

aaaaba abacab abbace aeacea afeefa baabaa bababe bacaba bbbbbb beebea beebee cabeca cafcaf cecafa ceecee ecbacc efacec efface fabeae

bac-cab bbbbbbb

bbbbbbbb fabaceae

a-bee-cee baabaabaa beebeebee

effaceaface

aaaaaaaaaaaaaaa bbbbbbbbbbbbbbb ccccccccccccccc