-er bbb bbc bbe bbk bbr bcb bcc bce bck bcr bcz be- beb bec bee bek ber bez bkb bkc bke bkk bkr brb bre brk brr brz bze bzr bzz c-- cbb cbc cbe cbk cbr cbz ccb ccc cce cck ccr ccz ce- ceb cec cee cek cer cez ckb ckc crb crc cre crk crr crz cz- czc cze czk ebb ebc ebe ebk ebr ec- ecb ecc ece eck ecr eeb eec eee eek eer ekb ekc eke ekr erb erc ere erk err erz eze ezr ezz k-z kbb kbc kbe kbk kbr kbz kcb kcc kce kck kcr ke- keb kec kee kek ker kez kkb kkc kke kkk kkr krc krk krr rbb rbc rbe rbk rbr rcb rcc rce rcr re- reb rec ree rek rer rez rkb rkc rke rkk rkz rrb rrc rrk rrr rzb rze zbb zbc zbr zce zeb zec zee zek zer zez zzr zzz

bbbb bbeb bbrc bcbc bccc bcec bcer bebb bebe beck beeb beek beer beke berc bere berk berr beze brcb brce breb brec bree brek brer brez brkb brrr bzer bzrk bzzz cbbc cbcc cbce cbcr cbec cbee cber cbkr cbre ccbc cccb cccc ccee ccrc ccre cec- cece ceeb ceec ceke cer- cerc cere ceze ckbc ckbe ckck cker ckrc crbc crcc crce crcr crcz cre- creb crec cree crkc ebbc ebbr ebcc eber ecbc ecbe eccb eccc ecce ecrc ecrr eeee eeke eerc eeze ekeb ekek eker erbb erbe ercc erce ereb erec erer erez erke errc erre ezek ezer kbbb kbbc kbbe kbbk kbbr kbbz kbcb kbce kbck kbcr kbcz kbeb kbec kbee kbek kber kbez kbkb kbkk kbkr kbkz kbrb kbrc kbre kbrk kbrz kbzc kbze kbzz kcbc kcbk kcbr kccb kccc kcck kccr kceb kcec kcee kcez kckc kckk kckr kckz kcrc kcrr kcrz kcze kczz kebb kebc kebe kebr keck kecr keek keer kekb kekc keke ker- kerb kerc kere kerk kerr kerz kezb keze kezr kezz kkbb kkbe kkbr kkbz kkcb kkck kkcr kkez kkkk kkrb kkrc kkre kkrk kkrr kkrz kkzz krbb krbe krbk krbr krbz krcb krcc krce kreb krec kree krek krez krkc krke krkk krkr krkz krrb krrc krre krrk krrr krrz krze krzk krzr krzz kzbb kzbe kzbk kzbr kzbz kzcr kzee kzer kzke kzkr kzkz kzrb kzrc kzrk kzrr kzrz kzzb kzzk kzzr kzzz rbbb rbbr rcbc rccb rccc rebb rebe rebk recc rece reck recr recz reeb reek reke rere reze rrrr zbek zber zebe zeck zeek zeke zekr zerk zeze zrce zrze zzzz

b-r-k bbbee be-er bebek beber becke beebe beeke beez beker bekke berbe berck berec berek berk- berke berre berze bezer brece breck breek breer breke brere breze brrrr ccccc cebec ceber ceere cerc- cerce cerec cerer cerke cerre crebe crece creek creer creke ebber ecker eecke eeeee ekker erbbe erber erere erkec kebbe kebek keber kecer keere kekec kerek kerre kreek kreke rebbe rebec reber recce recke reece reere reeze rekke rere- reree rerez rezek rzeck zebec zebre zerbe zerre zzzzz

bbbbbb becker beebee beeker beerze beezer bekker berbee berber bercke bereke berere berker berrer berzek bezerk breere breeze brekke brzece ceecee creeke creeze czerce eebree erbree kebber keeker kerber kerker kreker krekez krezce rebbec rebeck reeker zebeck zeebee zekeze zezere zrece

bbbbbbb berbere berzerk bkerke brekker brzezce cerbere cerebr- eerbeek kee-kee krebeck kreeker krzecze zbereze zebecke

bbbbbbbb berebere berzbeke bezerker cekerek erezee

beckerek beebeebee berzerker keek-keek

bbbbbbbbbbbbbbb bzzzzzzzzzzzzzz ccccccccccccccc