b-r-k bbbee be-er bebek beber becke beebe beeke beker bekke bembe bemer berbe berck berec berek berk- berke berme berre brece breck breek breem breer breke breme bremm brere brmmm brrrr ccccc cebec ceber ceere cemec cemre cerc- cerce cerec cerer cerke cerre cmere crebe crece creek creem creer creke creme ebber ecker eecke eeeee eembc ekker ekmek ekrem embee ember emcee emeer emere emerk emmer erbbe erber erem- erere erkec k-mer kebbe kebek keber kecer keere kekec kekem kemer kemme kerek kerem kerre kreek kreke kreme mbebe mbere mcbee mckee mcree mebbe meece meere meker membe memer merce merck merer merke merre mmccc mmmcc mmmmm rebbe rebec reber recce recke reece reeme reere rekem rekke remee remer rere- reree