b-r-k bbbee bcell be-er bebek bebel beber becel becke beebe beeke beele beker bekke belce belec belee belek bellb belle berbe berck berec berek berel berk- berke berle berre bleck bleek bleer bleke blekk blere brece breck breek breel breer breke brell brere brrrr ccccc ccell ccrcl ccrel cebec ceber ceele ceere celeb celer cell- celle cerc- cerce cerec cerer cerke cerre cleck cleek cleer cleke clerc clere clerk crebe crece creek creel creer creke crele crell crrel ebber ebble ebell eberl eccle eckel ecker eckle eecke eeeee eeler ekker elele ellek ellel eller elrec erbbe erber erere erkec erkel kcell kebbe kebek keber keble kecel kecer keele keere kekec kelce kelek kelle kerek kerel kerle kerre klece klerk kreek kreel kreke krele krell lebce lebec lebel leber lecce leece leeke leell leere lekel lelle lerer rebbe rebec rebel reber recce recke reece reere rekel rekke rekle relee relek rere- reree