-tree bbbee be-er beber bebti beebe beeri beete beeth beher behet behie behir beibi beier beihe beire beite beith berbe bereh berei beret berhe berie berit berre berri berte berth berti betee beter bethe betie betre bett- bette betti betxi bheer bheri bibbe biber bibie bibri biebe biere bieri biert bieti biher birie birth biter bitit bitte bitti bixie bre-x breer breet breit brere breth brett bretx bribe brier brite brith britt brixx brrrr btr-t ebber ebbet ebbie ebert ebibe eeeee eerie eetti ehire ehret eirie eiter eithe eitri erbbe erber erere erier erite erith erixx erte erter erthe etete etext ether etite etree etter ettie exbi- exert exhex exite exter extre h-e-b h-iib he-he hebbe hebe- hebei heber hebri heeii heere heete hehte heihe heire heith heiti heixt herei herie herit herre herte herth herti heter hethe hette hexer hexie hexit hheth hhhhh hi-ex hi-hi hibhi hibit hibri hier- hiree hirer hirth hithe hitit hitte hrere hthrt htree i-bet ibert ibeti iebet ieiri ierei iethe iette iherb ihere ihite iiiee iiiii iitti irbit irete irite irrit itbit itete itext ithee ither itire itter itthe ittre ittti rebbe reber rebet rebit reere reerh reeth reeti reher rehet rehit rehri rehti reith rere- reree reret rerir retee reter retex rethe retie rette rexer rhett ribbi riber ribet ribie ribxi rieth rieti rihte ririe rithe rithi rtext t-rex tbeti tbtbt teber tebet tebi- teeth tehee tehri teret terex terre terri tert- teter tetex tethe tetr- tetri tette texte thebe theeb theei theer theex theie their theit theix ther- there theri thete theth thexx thibi thier thire thiri thite thre- three thret thrie thrix ti-he ti-hi ti-ti tibbi tiber tibet tieit tiere tieri tieth tiexi tiree tireh tirer tiret tirit tirth titer tithe tithi titii titre titte titti tixte treer treet treib treie treit treix trere treri trete trett tribe trieb triei trier triet trit- trite tritt ttttt xbxrx xerte xetex xexex xheet xiber xtext xtree xxiii xxxii xxxix