b-tree bbbbbb bebite beebee beebem beembe beemer beerme beeter beiber beimir bemeet bemete bemire berbee berber bereet berere berime bermet berrer berret berrie bertem bertie bertre beteem betere betete betime betire betrim bettee better bettie bibber bibemi bibiri bieber bimber bimmer bireme biribi biteit biteme bitier bitime bitter bittie breere breite bremer bremit brette bribe- bribee briber bribir bribri brimer brimir brimme ebbert ebr-ii ebrie eebree eerier eibert embibe embree emeere emerit emeter emiter emmert emmett emmitt erbree erebti erimbm erimem ermite errett i-bere i-bete i-tree imberb imbert imbibe imbrie imiere imirim immert immire irrite itbeme ittiri m-tree mbembe mbieri meemie meeter meetit meetme meetre meirre meitei member membre mememe memere mereit merete merire meritt mermer mermet merrem merret merrie merrit merter mertim meteer meteti metier metime metire metrer metter mettet mibbit mierie mimmer mirier miriti mirrer mitier mitrit mitter mittet mtiebi r-tree re-mit rebbit rebite reemit reiber reimei reimer reiter remeet remete remeti remire reteer reteet retere reterm retime retire retree retret retrim retter ribber ribbet ribbie ribbit ribibe ribier rieber rieter riette rietti rimier rimmer rititi ritter t-tree tebbit teebee teemer teerme teetee teeter teirei tembre temere terete teribe termer termit terrer terret terrie territ terter tertre tetete tetter tibbit tiber- tibere tiberi tibert tibeti tibiri tibrie tierer tieret tierme tiete tietie timber timbre timimi timiri timmer timmie tirret tirrit titbit titiri tittee titter tittie treete tremet tremie tretee tretie trette tribit triibe trimer trimet triter