a-a a-b a-c aaa aab aac aae aaf aak ab- aba abb abc abe abf abk ac- aca acb acc ace acf ack aea aeb aec aee aef aek af- afa afb afc afe aff afk aka akb akc ake akk baa bab bac bae baf bak bba bbb bbc bbe bbf bbk bca bcb bcc bce bcf bck be- bea beb bec bee bef bek bfa bfb bfc bfe bff bka bkb bkc bke bkf bkk c-- caa cab cac cae caf cak cba cbb cbc cbe cbf cbk cca ccb ccc cce ccf cck ce- cea ceb cec cee cef cek cfa cfb cfc cfe cff cfk cka ckb ckc eaa eab eac eae eaf eak eba ebb ebc ebe ebf ebk ec- eca ecb ecc ece ecf eck eea eeb eec eee eef eek ef- efa efb efc efe eff eka ekb ekc eke ekf faa fab fac fae faf fak fba fbb fbc fbe fbf fbk fca fcb fcc fce fcf fck fea feb fec fee fef fek ffa ffc ffe fff ffk fka fkb fkc fkf fkk ka- kaa kab kac kae kaf kak kba kbb kbc kbe kbf kbk kca kcb kcc kce kck ke- kea keb kec kee kef kek kfa kfc kff kkb kkc kke kkk

a-ak a-be aaaa aaab aaac aaae aaaf aaba aabb aabc aaca aacb aacc aace aacf aack aaea aaec aafa aafb aafc aaff aaka aake abaa abab abac abae abaf abak abb- abba abbb abbe abca abcb abcc abcf abec abee abff acaa acab acac acae acba acca accc acce accf ace- acea acec acek acfc acfe acke aeac aeaf aecb aeka afaa afak afca afcb afcc afee afek affa affc afka akaa akae akca akee akka baaa baaf baak baba babb babe bac- baca bacc bace back baek bafc baff bak- baka bake bbbb bbeb bbfc bcaa bcbc bcca bccc bcec bcfc beaf beak beba bebb bebe beca beck beeb beef beek befa befe beff beka beke bfca caaa caab caac caaf caba cabe cabf cac- caca cacc cace cack caec cafa cafb cafc cafe caff caka cake cbac cbbc cbca cbcc cbce cbea cbec cbee cbef cbfb cbfc cbka ccaa ccab ccac ccaf ccba ccbc ccca cccb cccc cccf ccee ccfa ccfc ccff ceac ceba cec- ceca cece ceeb ceec cef- cefa cefc ceke cfaa cfab cfac cfae cfbc cfca cfcb cfcf cffb ckac ckbc ckbe ckck eaaf eaba eaca eacc eaec eafb ebac ebba ebbc ebcc ebfc ecaa ecac ecbc ecbe ecca eccb eccc ecce ecef ecfa ecfc ecka eeca eeea eeee eefa eefe eeka eeke efab efca effa efke eka- ekab ekeb ekek ekfc ekka f--k faaa faac faba fabe faca facc face fack faeb fafa fafc fafe faff fake fcab fcba fcca fccf feaf feak feba fece feck feeb feek fefc fefe feff feke ffcc ffee ffff fkab kaaa kaab kaaf kaak kaba kabb kabc kabe kabf kacb kacc kace kafa kafc kafe kaff kaka kakc kake kakk kbaa kbab kbac kbae kbak kbba kbbb kbbc kbbe kbbf kbbk kbca kbcb kbce kbck kbeb kbec kbee kbef kbek kbfb kbfc kbff kbfk kbkb kbkf kbkk kcaa kcab kcac kcba kcbc kcbf kcbk kcca kccb kccc kcck kcea kceb kcec kcee kcfa kcfb kcfc kckc kckf kckk kea- keak keba kebb kebc kebe keca keck keef keek kefa kefb kefc keff keka kekb kekc keke kfab kfac kfbc kfbk kfcf kfeb kffa kffb kfff kffk kfka kfkb kkaa kkac kkba kkbb kkbe kkcb kkck kkea kkkk

-aaa- aaace aaaee aabaa aabba aacbc aaeaf abaab ababa ababe abaca aback abaka abake abbac abccc abeba abebe abece abfab acaca acacb acack acake aceae ackee aeaea aebbe aface afcea afcec afefe afeka aka-e akaba akce baabe baake babak babec babee babek babka bacab bacca bacea back- backa backe backf baffa bakea bakka bakke bbbee beack beafe bebek becak becca becke beeac beebe beeke beffe bekaa bekka bekke bface c-a-c ca-ca caaba cacak caec- caeca caffa caffe cbeff ccccc ceace cebec cecka ceeac eecca eecke eeeee fabae facea fcaca feake fface kaaba kabaa kabab kabak kabba kacee kafak kaffa kaffe kafka kakae kakka kakke kebab kebbe kebek kecak keefe kefee kekec

aaaaba abacab abbace ackack aeacea afeefa akbaba akeake akkaba baabaa bababe bacaba baekke bakebe bbbbbb beback beebea beebee caback cabeca cafcaf cakcak cecafa ceecee ecbacc efacec efface fabeae fakfak k-cafe kaback kabaka kaffee kaffka kakkak keeffe

ack-ack aka-bea akeback bac-cab backake baeckea bakaffa bbbbbbb cabback kacabac kee-kee

backface bbbbbbbb beefcake fabaceae

a-bee-cee abakabaka baabaabaa bakeacake beebeebee keek-keek

effaceaface

aaaaaaaaaaaaaaa bbbbbbbbbbbbbbb ccccccccccccccc