a-a a-b a-c a-z aaa aab aac aae aaz ab- aba abb abc abe abz ac- aca acb acc ace acz aea aeb aec aee aez az- aza azb aze azz baa bab bac bae baz bba bbb bbc bbe bca bcb bcc bce bcz be- bea beb bec bee bez bza bze bzz c-- caa cab cac cae caz cba cbb cbc cbe cbz cca ccb ccc cce ccz ce- cea ceb cec cee cez cz- czc cze eaa eab eac eae eaz eba ebb ebc ebe ec- eca ecb ecc ece eea eeb eec eee eze ezz zaa zab zac zaz zbb zbc zce zea zeb zec zee zez zzz

a-be aaaa aaab aaac aaae aaba aabb aabc aaca aacb aacc aace aaea aaec abaa abab abac abae abb- abba abbb abbe abca abcb abcc abec abee abez abza acaa acab acac acae acba acca accc acce ace- acea acec aeac aecb aza- azab azaz azca azza baaa baaz baba babb babe bac- baca bacc bace bacz baez baza baze bbbb bbeb bcaa bcbc bcca bccc bcec beba bebb bebe beca beeb beze bzzz caaa caab caac caba cabe cac- caca cacc cace caec caza caze cbac cbbc cbca cbcc cbce cbea cbec cbee ccaa ccab ccac ccba ccbc ccca cccb cccc ccee ceac ceba cec- ceca cece ceeb ceec ceza ceze eaba eaca eacc eaec ebac ebba ebbc ebcc ecaa ecac ecbc ecbe ecca eccb eccc ecce eeca eeea eeee eeze zaba zaca zaza zeae zeba zebe zeca zeze zzzz

-aaa- aaace aaaee aabaa aabba aacbc abaab ababa ababe abaca abaza abbac abccc abeba abebe abece abzac acaca acacb aceae aeaea aebbe azaca azeca baabe babec babee babez bacab bacca bacea bacza bacze baeza bazac bbbee bebaz becca beeac beebe beez bezac c-a-c ca-ca caaba caec- caeca cazaa cazac cazee ccccc ceace cebec ceeac cezac eecca eeeee za-za zabce zebec zecca zzzzz

aaaaba abacab abbace aeacea azzaba baabaa bababe bacaba bbbbbb beebea beebee bezazz cabeca cabeza ceecee ecbacc zababa zabcze zazaca zeebee

az-zeeb bac-cab bbbbbbb zebeeba

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a-bee-cee abba-zaba baabaabaa beebeebee

aaaaaaaaaaaaaaa bbbbbbbbbbbbbbb bzzzzzzzzzzzzzz ccccccccccccccc