-er bbb bbe bbi bbl bbr bbt be- beb bee bei bel ber bet bev bi- bib bie bii bil bir bit biv blb ble bli bll blr blt blv brb bre bri brl brr brt brv btb bte bti btl btr btt btv bvb bve bvi bvl bvr bvt bvv ebb ebe ebi ebl ebr ebt ebv eeb eee eel eer eet eev eib eie eii eil eir eit eiv elb ele eli ell elr elt elv erb ere eri erl err ert erv etb ete eti etl etr ett etv evb eve evi evl evr evt evv i-v ibb ibe ibi ibl ibr ibt ibv ie- iee iei iel ier iet iev iib iie iii iil iir iit il- ilb ile ili ill ilr ilt ilv ir- irb ire iri irl irr irt irv itb ite iti itl itt itv ivb ive ivi ivl ivr ivt ivv lbb lbe lbi lbl lbr lbt lbv leb lee lei lel ler let lev lib lie lii lil lir lit liv llb lle lli lll llr llt llv lrb lri lrr lrt lrv ltb lte lti ltl ltr ltt ltv lvb lve lvi lvl lvr lvt lvv rbb rbe rbi rbl rbr rbt re- reb ree rei rel rer ret rev rib rie rii ril rir rit riv rle rli rll rlr rlt rrb rri rrl rrr rrt rtb rte rti rtl rtr rtt rtv rvb rve rvi rvl rvr rvt rvv tbb tbe tbi tbl tbr tbt tbv te- teb tee tei tel ter tet tev tib tie tii til tir tit tiv tle tli tll tlr tlt tlv trb tre tri trl trr trt trv ttb tte tti ttl ttr ttt ttv tvb tve tvi tvl tvr tvt v-e vbi vbl vbr vbv veb vee vei vel ver vet vi- vib vie vii vil vir vit viv vl- vlb vle vll vlt vlv vrb vre vri vrr vrt vtb vte vti vtl vtr vtt vtv vvb vvi vvr vvt vvv

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 betv bibb bibe bibi bibl bieb biel bier biet bile bili bill bilt birb bire biri birl birr birt bite bitt bive bivi bivl blbt bleb blee blei blet blir blit blvt breb bree brei brel brer bret brev brie bril brit brrr brvi btie btrt bttb btvi ebbr ebel eber ebit ebli eeee eele eelv eete eiei eier eile eire eitb eiti eitr el-b elbe elbi elee eler elet elev elie elil elit elle elli elte elve erbb erbe ereb erei erel erer eret erev erie eril erit erle erli erll erre ertl erve ervi etbr etee etel eter etre ette etti evel ever evet evie evil evir evli evre i-be ibet ibie ible ibri ibtb ibtl ieet ieie iele iere ieri iett ietv 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 ivbv ivel iver ivie ivre lblr lbrt leel leer leet leib leie leil leir leit leiv lele leli lell lere lert lete leti lett lev- leve levi libe libr lieb liel lier liet liev liii liir liiv lilb lile lili lill lilt lire liri lirl lirr lirt litb lite liti litl litr litt live livi llet llll lrrr lrtv ltbl ltee ltib lttr lttv lvii lviv lvrr rbbb rbbr rble rebb rebe reeb reel reet reev reii reil reir reit relb rele rell relt rere reri rert rete reti retr rett reve revi rib- ribe riel rier riet rile rill rire riri rite riti ritl ritt rive rlee rrle rrrr rtee rtei rtle rtlt rtve rtvi rver tbil tbit tbrb tbvi teel teer teet teev teie teil teir tel- tele teli tell telt ter- tere teri terr tete teti tetr tett tevl tibi tie- tiee tiei tiel tier tiet tiit tile till tilr tilt tirb tire tiri tirl tirr tite titi titt tivi tlli tre- tree trei tret trev tri- trib trie tril trit trte trtr trvl ttbb tter tttt tvel tver tvil tvri tvrr tvtv veel veer veet veie veii veil veir veit vel- vele veli vell velt ver- verb vere veri verl vert vete veti vetr veve vevi vibe viel vier viet viii vile vili vill vilt virb vire viri virl virr virt vite viti vitt vive vivi vlei vlie vlli vlvt vrbl vret vril vt-i vtvl vver vvvv

-tree bbbee be-er bebel beber bebti beebe beele beeli beeri beete beeve 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 bevel bever bevil 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 bleve blier blirt blite blitt blive breel breer breet breil breit brell brere brett breve brevi bribe briel brier brill brite britt brive brrrr btile btr-t ebber ebbet ebbie ebble ebell eberl ebert ebibe ebill eeeee eeler eerie eetti eevee eever eiler eilet eirie eitel eiter eitri elbie eleet elele eleri eleve eliel elite ellel eller ellet ellie elver elvet elvir erbbe erber erbil erere ereve erier erite erte ertel erter ertil ervie ervil etete etile etite etive etree ettel etter ettie ettle evell evere everi everr evert evete evett eveve evile evill evite i-bet ibele ibert ibeti ibill iebet ieiri ierei iette iever iiiee iiiii iitti ileri iliev ilive illbe iller illit ilter irbit irele irete iriel irill irite irrel irrit itbit itele itell itete itire itive ittel itter ittre ittti itvbe ivett ivlev ivver lebel leber lebet leeli leell leere leert leeve leevi leibi leile leill leire leite leivi lelei lelle lelli lerer lerie letbe letil letit letre lette