-er -ji b-u bbb bbe bbf bbi bbr bbt bbu be- beb bee bef bei ber bet beu bfb bfe bff bfi bfj bfr bft bfu bi- bib bie bif bii bij bir bit biu bjf bji bjj bjr bjt bju brb bre brf bri brj brr brt bru btb bte btf bti btr btt btu bub bue buf bui buj bur but buu ebb ebe ebf ebi ebj ebr ebt ebu eeb eee eef eer eet ef- efb efe eff efi efr eft eib eie eif eii eij eir eit eiu ejf eji ejt eju erb ere erf eri err ert eru etb ete etf eti etj etr ett etu eu- eub eue euf eui euj eur eut fbb fbe fbf fbi fbr fbt fbu feb fee fef fei fer fet feu ffe fff ffi ffr fft ffu fib fie fif fii fij fir fit fiu fjb fji frb fre frf fri frj frr frt fru ftb fte ftf fti ftr ftt ftu fub fue fuf fui fur fut fuu i-f ibb ibe ibf ibi ibj ibr ibt ibu ie- iee ief iei iej ier iet ifb ife iff ifi ifr ift ifu iib iie iif iii iij iir iit iiu ijb ije ijf iji ijt iju ir- irb ire irf iri irj irr irt iru itb ite itf iti itj itt itu iu- iub iue iui iur iut j-i jbf jbi jbj jbr jbt jbu jeb jee jef jei jej jer jet jeu jfb jfe jff jfi jfj jfr jft jib jie jif jii jij jir jit jiu jjb jjf jjj jjr jju jrb jrf jri jrr jrt jtb jte jtf jti jtr jtt jtu jub jue juf jui jur jut rbb rbe rbf rbi rbr rbt rbu re- reb ree ref rei rer ret reu rfb rfe rff rfi rfj rfr rft rfu rib rie rif rii rir rit rjf rjr rrb rrf rri rrr rrt rru rtb rte rtf rti rtj rtr rtt rtu rub rue ruf rui rur rut ruu tbb tbe tbf tbi tbj tbr tbt tbu te- teb tee tef tei tej ter tet teu tfb tfe tff tfi tfj tfr tft tfu tib tie tif tii tir tit tiu tje tjf tji tjr tju trb tre trf tri trr trt tru ttb tte ttf tti ttr ttt ttu tub tue tuf tui tuj tur tut tuu ubb ube ubf ubi ubr ubt ubu ueb uee uef uei uer uet ufe uff ufi ufj ufr uft ufu uib uie uif uii uir uit uiu uji ur- urb ure urf uri urr urt uru utb ute utf uti utj utr utt utu uue uur uut uuu

bbbb bbeb bbet bebb bebe bebi beeb beef beej beer beet befe beff beft beij beir beit bere beri berr bert beru bete beti bett betu beur bftt bibb bibe bibi bieb bief bier biet bieu biff bifi biji biju birb bire biri birr birt biru bite bitt bitu bjfe breb bree bref brei brer bret brfu brie brit brje brrr brue brut btie btrt bttb bubb bube bubi bubu buer bueu bufe buff bufr buie buif buir buit buiu buje buji buju bur- burb bure buri burj burr burt buru but- bute buti butt ebbr eber ebit ebru ebur eeee eefe eete eetu efbr efet effi efit eft- eftu eiei eier eiji eire eitb eiti eitr ejer ejit ejji erbb erbe ereb erei erer eret erft erie erit eriu erre ertu erub erur etbr etee eter etfb etfe etre ette etti ettu etui eubi euer eufi eur- eure eurt feeb feer feet fefe feff fefi feie feir feit ferb fere ferr fert feru fete feti fetr fett fetu ffee ffff ffii ffrr fftf fibe fief fier fife fiff fifi fift fiii fiji fire fite fiti fitt free frei fret frib frie frit frub frue fter ftii ftub fubb fubu fuet fuff fufu fuir fuit fuji fur- fure furi furr furt fute futi futu i-be ibet ibfi ibie ibri ibtb ieet ieie iere ieri ietf iett ifbb ifer ifit ifrb ifrf ifri iiie iiii iiit iitr iitt ijet ijji ijui irbe iree irer irfe irfu iri- irie irje irre irri irte irtf irti itbe iter itet itie itif itrf itri ittf itur iuef iuiu jebb jebe jeer jeet jefe jeff jeit jeju jere jeri jert jeru jetb jete jeti jett jeur jfet jftr jibb jibe jibi jiet jiff jije jiji jiju jiri jirt jiru jiti jitu jrbr jube jubu juei juif juju jure juri jurr jute juti rbbb rbbr rebb rebe rebu reeb reef reet refe reff refi refr reft refu reif reii reir reit reiu rere reri rert reru rete reti retr rett reue reuf reut reuu rfef rib- ribe ribu rief rier riet rieu rife riff rift rifu riif rijf riji rire riri rite riti ritt ritu riue rrif rrrr rtbf rtee rtei rtfb rubb rube rubi rubu ruer ruet rufe ruff ruft ruif ruit rure ruri ruru rute ruti rutt rutu tbit tbrb tebu teef teej teer teet teff tefi teft teie teir teiu teju ter- tere terf teri terj terr teru tete teti tetr tett tetu teut tfeb tibi tibu tie- tiee tief tiei tier tiet tiff tift tiit tiiu tiji tirb tire tiri tirr tiru tite titi titt titu tre- tree tref trei tret treu trfr tri- trib trie trif trit trte trtr trub true trut truu ttbb tter ttff tttt tubb tube tubr tubu tuei tuer tuet tufe tuff tufi tuft tufu tuit tuiu turb ture turf turi turr turt turu tute tuti tutt tutu u-ie ubbe ubbi uber ubet ubii ubir ubit ubtf ueir ufer uffe uirr urbe urbi ure- uret urfe urff urfi urft urib urie urif uriu urre urri urte urur urut uter utri utti uttu uuri uutf uuuu

-tree bbbee be-er beber bebti beebe beeft beeri beete beeut beffe befie befit befur beibi beier beife beire beite bejte berbe berei beret berie berit beriu berre berri berru berte berti betee beter betie betre bett- bette betti beuer beure