-er b-u bbb bbe bbi bbr bbt bbu be- beb bee bei ber bet beu bev bi- bib bie bii bir bit biu biv brb bre bri brr brt bru brv btb bte bti btr btt btu btv bub bue bui bur but buu bvb bve bvi bvr bvt bvu bvv ebb ebe ebi ebr ebt ebu ebv eeb eee eer eet eev eib eie eii eir eit eiu eiv erb ere eri err ert eru erv etb ete eti etr ett etu etv eu- eub eue eui eur eut euv evb eve evi evr evt evv i-v ibb ibe ibi ibr ibt ibu ibv ie- iee iei ier iet iev iib iie iii iir iit iiu ir- irb ire iri irr irt iru irv itb ite iti itt itu itv iu- iub iue iui iur iut ivb ive ivi ivr ivt ivu ivv rbb rbe rbi rbr rbt rbu re- reb ree rei rer ret reu rev rib rie rii rir rit riv rrb rri rrr rrt rru rtb rte rti rtr rtt rtu rtv rub rue rui rur rut ruu ruv rvb rve rvi rvr rvt rvu rvv tbb tbe tbi tbr tbt tbu tbv te- teb tee tei ter tet teu tev tib tie tii tir tit tiu tiv trb tre tri trr trt tru trv ttb tte tti ttr ttt ttu ttv tub tue tui tur tut tuu tuv tvb tve tvi tvr tvt tvu ubb ube ubi ubr ubt ubu ubv ueb uee uei uer uet uib uie uii uir uit uiu ur- urb ure uri urr urt uru utb ute uti utr utt utu utv uue uur uut uuu uvb uve uvu uvv v-e vbi vbr vbv veb vee vei ver vet veu vi- vib vie vii vir vit viu viv vrb vre vri vrr vrt vru vtb vte vti vtr vtt vtu vtv vue vur vut vuv vvb vvi vvr vvt vvv

bbbb bbeb bbet bebb bebe bebi beeb beer beet beir beit bere beri berr bert beru bete beti bett betu betv beur bibb bibe bibi bieb bier biet bieu birb bire biri birr birt biru bite bitt bitu bive bivi breb bree brei brer bret brev brie brit brrr brue brut bruv brvi btie btrt bttb btvi bubb bube bubi bubu buer bueu buie buir buit buiu bur- burb bure buri burr burt buru but- bute buti butt buve ebbr eber ebit ebru ebur eeee eete eetu eiei eier eire eitb eiti eitr erbb erbe ereb erei erer eret erev erie erit eriu erre ertu erub erur eruv erve ervi etbr etee eter etre ette etti ettu etui eubi euer eur- eure eurt ever evet evie evir evre i-be ibet ibie ibri ibtb ieet ieie iere ieri iett ietv iiie iiii iiit iitr iitt irbe iree irer iri- irie irre irri irte irti itbe iter itet itie itri itur iuiu ivbv iver ivie ivre ivue rbbb rbbr rebb rebe rebu reeb reet reev reii reir reit reiu rere reri rert reru rete reti retr rett reue reut reuu reve revi rib- ribe ribu rier riet rieu rire riri rite riti ritt ritu riue rive rrrr rtee rtei rtve rtvi rubb rube rubi rubu ruer ruet ruit rure ruri ruru rute ruti rutt rutu ruve ruvi ruvu rver tbit tbrb tbvi tebu teer teet teev teie teir teiu ter- tere teri terr teru tete teti tetr tett tetu teut tibi tibu tie- tiee tiei tier tiet tiit tiiu tirb tire tiri tirr tiru tite titi titt titu tivi tre- tree trei tret treu trev tri- trib trie trit trte trtr trub true trut truu ttbb tter tttt tubb tube tubr tubu tuei tuer tuet tuit tuiu turb ture turi turr turt turu tute tuti tutt tutu tver tvri tvrr tvtv u-ie ubbe ubbi uber ubet ubii ubir ubit ueir uirr urbe urbi ure- uret urib urie uriu urre urri urte urur urut urve uter utri utti uttu uuri uuuu uv-b uver uvri uvvu veer veet veie veii veir veit ver- verb vere veri vert vete veti vetr veur veve vevi vibe vier viet vieu viii virb vire viri virr virt viru vite viti vitt vitu viue vive vivi vret vt-i vuir vuit vurb vurt vuti vutv vver vvvv

-tree bbbee be-er beber bebti beebe beeri beete beeut beeve beibi beier beire beite berbe berei beret berie berit beriu berre berri berru berte berti betee beter betie betre bett- bette betti beuer beure beute beuve bever bevue bibbe biber bibie bibri biebe biere bieri biert bieti birie birur biter bitit bitru bitte bitti biure brebu breer breet breit brere brett breu- breve brevi bribe brier brite britt brive brrrr bruer bruet bruit bruiu bruri brute btr-t bubbe buber buire buret burie burri burru burte burtt burut buter butit butte butut ebber ebbet ebbie ebert ebibe ebure eeeee eerie eetti eevee eever eirie eiruv eiter eitri erbbe erber erere ereve erier erite eritu errtu erte erter ervie etete etite etive etree etter ettie eturu eubie eurre evere everi everr evert evete evett eveve evite i-bet ibbur ibert ibeti iebet ieiri ierei iette iever iiiee iiiii iitti irbit irete irite irrit itbit itete itire itive itter ittre ittti itu-r itu-t ituri ituru itutu itvbe iurie ivett ivube ivver rebbe reber rebet rebit rebut reere reeti reeve reive rere- reree reret rerir retee reter retie rette reuer reuet reuir reute reuti rever revet revie revir revue ribbi riber ribet ribie rieti rieve ririe riuer river rivet rtrev rubbi rubee ruber rubie ruere ruete ruiru ruter rutte ruutu rvivr tbeti tbtbt tbutt teber tebet tebi- teret tereu terre terri tert- terve teter tetr- tetri tette tevet tevir ti-ti tibbi tibbu tiber tibet tibur tieit tiere tieri tieut tiree tirer tiret tirit tirru tirur tirve titer titii titre titte titti tiver treer treet treib treie treit trere treri trete trett treut treve trevi tribe tribu trieb triei trier triet trieu trit- trite tritt trive trubu truer truit trute trutv ttttt tuber tubi- tubri tueie tueit tuire tuite turbe