-tree b-r-k bbbee be-er bebek beber bebti beebe beeke beepi beeri beete beibi beier beire beite beker bekir bekke bekti beppe berbe berei berek beret berie berit berk- berke berre berri berte berti betee beter betie betke betre bett- bette betti bibbe biber bibie bibri biebe bieke biere bieri biert bieti biker bikie bipib birie bitek biter bitit bitki bitte bitti bkite breek breer breet breik breit breke brere brett bribe brier brike brite britt brrrr btr-t ebber ebbet ebbie ebert ebibe ebike eeeee eepee eerie eerik eetti eiker eipri eirie eiter eitri ekbir ekker eppie epptb erbbe erber erept erere erier erite erkki erte erter eteke etete etike etite etree etrek etter ettie i-bet i-rtk ibert ibeti ibrik iebet ieiri iepe ieper ierei iette iiiee iiiii iitti ikbke ikeep ikire ipeti ipiti ippee ippei irbit irete iriki irite irker irrep irrit itbit itete itire itpkb itrip itter ittre ittti k-p-r k-t-b kebbe kebek keber kebir keepe keere keeri keiki keipi keire keiri keitt kekri kepie keppe kerei kerek kerep keret kerie kerik kerre kerri ketek keter ketib kette ketti kibbe kibbi kibei kibet kibi- kieke kiiki kikki kipke kirie kirke kirki kirpi kirre kitee kiter kitir kitki kitte kitti krbpe kreek kreep kreke kreki krepe krete kribi kriek krier krike kriti p-rep pebi- pebie pebre peeke peere peeri peert peete peire peirt peket pekre pepee peppe peppi pept- perer peret peri- perie perit perke perki perre perri perte perti petbe peter petie petit petr- petre petri pette petti piere pieri pierk piert piibe piiri piker pikit pikke piper pipet pipit pippi pipri pirie pirke pirre pirri piter pitie pitip pitre pitri pitti pre-k preie preik preke preki prete preti prier priit prite priti pritt pter- ptere pteri ptprb ptpre ptprk ptprr ptprt rebbe reber rebet rebit reepe reere reeti reiek reike reiki rekke repet repit reppe reprt rere- reree reret rerik rerip rerir retee reter retie retip retki rette ribbi riber ribet ribie rieti rikei riker rikki riper ripit rippe ririe ritek rripe rt-rk tbeti tbtbt teber tebet tebi- teepe teiki teket tekir tekke tekki tekpi tekti tepee tepet tepit tepke terek teret terki terre terri tert- teter tetr- tetri tette ti-ti tibbi tiber tibet tieit tieke tiere tieri tierp tikei tiket tikit tikki tikri tiper tipet tipit tippi tiree tirer tiret tirit titer titii titik titre titte titti tkiet tkirk tpike treer treet treib treie treip treit trepp trept trere treri trete trett tribe trieb triei trier triet triip trike triki trikk tripe tripi tripp tript trit- trite tritt trpik ttttt