a-a a-b a-c aaa aab aac aae aau ab- aba abb abc abe abu ac- aca acb acc ace acu aea aeb aec aee aeu au- aua aub auc aue b-u baa bab bac bae bau bba bbb bbc bbe bbu bca bcb bcc bce bcu be- bea beb bec bee beu bua bub buc bue buu c-- caa cab cac cae cau cba cbb cbc cbe cbu cca ccb ccc cce ccu ce- cea ceb cec cee ceu cua cub cuc cue cuu eaa eab eac eae eau eba ebb ebc ebe ebu ec- eca ecb ecc ece ecu eea eeb eec eee eu- eua eub euc eue ua- uaa uab uac uae uau uba ubb ubc ube ubu uca ucb ucc uce ucu uea ueb uec uee uua uuc uue uuu

a-be aaaa aaab aaac aaae aaba aabb aabc aaca aacb aacc aace aacu aaea aaec abaa abab abac abae abau abb- abba abbb abbe abca abcb abcc abec abee abua abue acaa acab acac acae acba acca accc acce accu ace- acea acec acu- acue aeac aecb auaa aube auca auce baaa baba babb babe babu bac- baca bacc bace bau- bbau bbbb bbeb bcaa bcbc bcca bccc bcec bcuc beau beba bebb bebe beca becu beeb buba bubb bube bubu buca bucc buce bucu buea bueu caaa caab caac caba cabe cabu cac- caca cacc cace caec caeu cauc cbac cbbc cbca cbcc cbce cbcu cbea cbec cbee ccaa ccab ccac ccba ccbc ccca cccb cccc cccu ccee ccuc ceac ceba cebu cec- ceca cece ceeb ceec cuau cub- cuba cubb cube cuca cucc cuce eaba eaca eacc eaec ebac ebba ebbc ebcc ecaa ecac ecbc ecbe ecca eccb eccc ecce ecua eeca eeea eeee euba eubc uabc uaca uaua ubac ubba ubbe ucbc ucca ucea ucua ueba uuuu

-aaa- aaace aaaee aabaa aabba aacbc abaab ababa ababe ababu abaca abbac abccc abeau abeba abebe abece acaca acacb acaua accub accue aceae acuba aeaea aebbe baabe babau babec babee bacab bacca bacea bacu bbbee becca becue beeac beebe beuca bubba bubbe bucca c-a-c ca-ca caaba cacau cacu caec- caeca cauac cauca cauce caue ccccc ceace cebec ceeac cuaba cubbe cubeb cubub cucea cueca eecca eeeee eubac u-cee uuuuu

aaaaba abacab abbace abucea aeacea aucuba baabaa bababe babacu bacaba bacau baubee baucau bbbbbb beebea beebee bububu bucaea c-cube cabeca cabucu ceauce ceecee cubeba cubube cucube ecbacc uacaba ucuuba

abacua bac-cab bau-bau bbbbbbb bucecea cauaua caucaea

bbbbbbbb bu-ba-bu

a-bee-cee abbabubba baabaabaa beebeebee

aaaaaaaaaaaaaaa bbbbbbbbbbbbbbb ccccccccccccccc