-er bbb bbe bbi bbl bbr bbt be- beb bee bei bel ber bet bi- bib bie bii bil bir bit blb ble bli bll blr blt brb bre bri brl brr brt btb bte bti btl btr btt ebb ebe ebi ebl ebr ebt eeb eee eel eer eet eib eie eii eil eir eit elb ele eli ell elr elt erb ere eri erl err ert etb ete eti etl etr ett ibb ibe ibi ibl ibr ibt ie- iee iei iel ier iet iib iie iii iil iir iit il- ilb ile ili ill ilr ilt ir- irb ire iri irl irr irt itb ite iti itl itt lbb lbe lbi lbl lbr lbt leb lee lei lel ler let lib lie lii lil lir lit llb lle lli lll llr llt lrb lri lrr lrt ltb lte lti ltl ltr ltt rbb rbe rbi rbl rbr rbt re- reb ree rei rel rer ret rib rie rii ril rir rit rle rli rll rlr rlt rrb rri rrl rrr rrt rtb rte rti rtl rtr rtt tbb tbe tbi tbl tbr tbt te- teb tee tei tel ter tet tib tie tii til tir tit tle tli tll tlr tlt trb tre tri trl trr trt ttb tte tti ttl ttr ttt

bbbb bbeb bbet bblb bebb bebe bebi beeb beel beer beet beil beir beit bele beli bell belt bere beri berr bert bete beti bett bibb bibe bibi bibl bieb biel bier biet bile bili bill bilt birb bire biri birl birr birt bite bitt blbt bleb blee blei blet blir blit breb bree brei brel brer bret brie bril brit brrr btie btrt bttb ebbr ebel eber ebit ebli eeee eele eete eiei eier eile eire eitb eiti eitr el-b elbe elbi elee eler elet elie elil elit elle elli elte erbb erbe ereb erei erel erer eret erie eril erit erle erli erll erre ertl etbr etee etel eter etre ette etti i-be ibet ibie ible ibri ibtb ibtl ieet ieie iele iere ieri iett iiie iiii iiit iitr iitt ile- iler ilet ilie ilir ilit ill- ille illi illt ilre irbe iree irel irer iri- irie iril irlb irre irri irte irti itbe itel iter itet itie itil itll itri lblr lbrt leel leer leet leib leie leil leir leit lele leli lell lere lert lete leti lett libe libr lieb liel lier liet liii liir lilb lile lili lill lilt lire liri lirl lirr lirt litb lite liti litl litr litt llet llll lrrr ltbl ltee ltib lttr rbbb rbbr rble rebb rebe reeb reel reet reii reil reir reit relb rele rell relt rere reri rert rete reti retr rett rib- ribe riel rier riet rile rill rire riri rite riti ritl ritt rlee rrle rrrr rtee rtei rtle rtlt tbil tbit tbrb teel teer teet teie teil teir tel- tele teli tell telt ter- tere teri terr tete teti tetr tett tibi tie- tiee tiei tiel tier tiet tiit tile till tilr tilt tirb tire tiri tirl tirr tite titi titt tlli tre- tree trei tret tri- trib trie tril trit trte trtr ttbb tter tttt

-tree bbbee be-er bebel beber bebti beebe beele beeli beeri beete beibi beier beire beite belee belet belie belit bellb belle belli berbe berei berel beret berie beril berit berle berli berre berri berte berti betee betel beter betie betle betre bett- bette betti bibbe bibel biber bibie bible bibri biebe biele biere bieri biert bieti bilbe bilbi bilel bili- bille billi birel birie birle bitel biter bitit bitle bitte bitti bleer bleet bleib bleit blere blete blier blirt blite blitt breel breer breet breil breit brell brere brett bribe briel brier brill brite britt brrrr btile btr-t ebber ebbet ebbie ebble ebell eberl ebert ebibe ebill eeeee eeler eerie eetti eiler eilet eirie eitel eiter eitri elbie eleet elele eleri eliel elite ellel eller ellet ellie erbbe erber erbil erere erier erite erte ertel erter ertil etete etile etite etree ettel etter ettie ettle i-bet ibele ibert ibeti ibill iebet ieiri ierei iette iiiee iiiii iitti ileri illbe iller illit ilter irbit irele irete iriel irill irite irrel irrit itbit itele itell itete itire ittel itter ittre ittti lebel leber lebet leeli leell leere leert leibi leile leill leire leite lelei lelle lelli lerer lerie letbe letil letit letre lette libbe libel liber libre libri liebe lieli liere lilet lilie lille lilli liril litel liter litir litre littb litte litti rebbe rebel reber rebet rebit reere reeti reile reill relee relet relie relit relli relte rere- reree reret rerir retee retel reter retie retil rette ribbi ribel riber ribet ribie rieti riler rille ririe tbeti tbill tbtbt teber tebet tebi- teele teell teill tele- telei teler telit tell- telle telli telti teret terli terre terri tert- tetel teter tetle tetr- tetri tette ti-ti tibbi tiber tibet tieit tiele tieli tielt tiere tieri tiler tilie tille tilli tilte tiree tirer tiret tirit tirle tirli tirtl titel titer titii titil title titli titre titte titti tlell tlett tllbr treer treet treib treie treil treit trele trere treri trete trett tribe trieb triei trier triet trill trit- trite tritt ttttt

b-reel b-tree bbbbbb bebite beebee beeler beerli beeter beetle beiber beiler beille belber belett belier belite beller bellet bellie beltel belter beltir beltre beltri berbee berber bereel bereet berere beriel berlei berrer berret berrie bertel bertie bertil bertre betell betere betete betill betire bettee bettel better bettie bettle bibber bibble bibile bibiri bibler biblet biebel bieber bieler bielle bilete biller billet billie billit biribi biriel birler birlet birlie birtle bitblt biteit bitele bitier bitlet bitter bittie bittil bittle bleere bleier blille blirre brebel breere breite bretil brette bribe- bribee briber bribir bribri brille britil britle ebbert eberle ebr-ii ebrie eebree eelier eerier eibert eilert elbert eleele elieli eliter ellett erbree erebti errett errill etiler i-bere i-bete i-tree iberli ibilib ileret illbet illite illlit irrite ittiri lebert lebret leelee leerer leerie leetle leiber leibre leiter