-er b-u bbb bbd bbe bbf bbi bbr bbt bbu bdb bdd bde bdf bdi bdr bdt bdu be- beb bed bee bef bei ber bet beu bfb bfd bfe bff bfi bfr bft bfu bi- bib bid bie bif bii bir bit biu brb brd bre brf bri brr brt bru btb btd bte btf bti btr btt btu bub bud bue buf bui bur but buu dbb dbd dbe dbf dbi dbr dbt dbu ddb ddd dde ddf ddi ddr ddt ddu de- deb ded dee def dei der det deu dfb dfd dfe dff dfi dfr dft dfu di- dib did die dif dii dir dit diu drb drd dre dri drr drt dru dtb dtd dte dtf dti dtr dtt dtu dub dud due duf dui dur dut ebb ebd ebe ebf ebi ebr ebt ebu ed- edb edd ede edf edi edr edt edu eeb eed eee eef eer eet ef- efb efd efe eff efi efr eft eib eid eie eif eii eir eit eiu erb erd ere erf eri err ert eru etb etd ete etf eti etr ett etu eu- eub eud eue euf eui eur eut fbb fbd fbe fbf fbi fbr fbt fbu fdb fdd fde fdf fdi fdr fdt fdu feb fed fee fef fei fer fet feu ffd ffe fff ffi ffr fft ffu fib fid fie fif fii fir fit fiu frb frd fre frf fri frr frt fru ftb ftd fte ftf fti ftr ftt ftu fub fud fue fuf fui fur fut fuu i-d i-f ibb ibd ibe ibf ibi ibr ibt ibu idb idd ide idf idi idr idt idu ie- ied iee ief iei ier iet ifb ifd ife iff ifi ifr ift ifu iib iid iie iif iii iir iit iiu ir- irb ird ire irf iri irr irt iru itb itd ite itf iti itt itu iu- iub iud iue iui iur iut rbb rbd rbe rbf rbi rbr rbt rbu rdb rdd rde rdf rdi rdr rdt rdu re- reb red ree ref rei rer ret reu rfb rfd rfe rff rfi rfr rft rfu rib rid rie rif rii rir rit rrb rrd rrf rri rrr rrt rru rtb rtd rte rtf rti rtr rtt rtu rub rud rue ruf rui rur rut ruu tbb tbd tbe tbf tbi tbr tbt tbu tdb tdd tde tdf tdi tdr tdt tdu te- teb ted tee tef tei ter tet teu tfb tfd tfe tff tfi tfr tft tfu tib tid tie tif tii tir tit tiu trb trd tre trf tri trr trt tru ttb ttd tte ttf tti ttr ttt ttu tub tud tue tuf tui tur tut tuu ubb ube ubf ubi ubr ubt ubu udb udd ude udf udi udr udt udu ueb ued uee uef uei uer uet ufd ufe uff ufi ufr uft ufu uib uid uie uif uii uir uit uiu ur- urb urd ure urf uri urr urt uru utb utd ute utf uti utr utt utu uue uur uut uuu

bbbb bbdd bbeb bbet bd-r bdii bduf bebb bebe bebi bede bedi bedu beeb beed beef beer beet befe beff beft beir beit berd bere beri berr bert beru bete beti bett betu beur bftt bibb bibe bibi bide bidi bidr bidu bieb bied bief bier biet bieu biff bifi birb bird bire biri birr birt biru bitd bite bitt bitu brdt breb bred bree bref brei brer bret brfu brid brie brit brrr brud brue brut btdt btie btrt bttb bubb bube bubi bubu budb budd bude budi budu buer bueu bufe buff bufr buid buie buif buir buit buiu bur- burb burd bure buri burr burt buru but- bute buti butt dbit dbtt dddd ddie ddre ddub debe debi debt debu dedd dede dedi dedu deeb deed deef deer deet defe deff defi deft deid deie deif deir deit der- derb dere derf deri derr dete detr deue deur deut dfdt dfer dfrf dfri dftr dibb dibe dide didi didu dieb died dief dier diet dieu dif- diff diii dird dire dirr dirt dite diti ditt dred dree dref drei dret drib drie drif drit drub drue drui drut druu dted dub- dubb dube dubu dudd dude dudu duer duet duff dufu duid duif duir duit dure duri durt duru dute duur duut ebbr ebed eber ebid ebit ebru ebur edde eddi ede- edei eder edfu edie edif edit edru edur eede eedu eeee eefe eete eetu efbr efet effi efit eft- eftu eid- eide eidi eidr eidu eied eiei eier eird eire eitb eiti eitr erbb erbe erde erdf erdi ereb ered erei erer eret erft erie erit eriu erre ertu erub erur etbr etee eter etfb etfe etre ette etti ettu etui eubi eude euer eufi eur- eure eurt fdti fede fedi feeb feed feer feet fefe feff fefi feid feie feir feit ferb ferd fere ferr fert feru fete feti fetr fett fetu feud ffee ffff ffii ffrr fftf fibe fide fidf fief fier fife fiff fifi fift fiii fire fite fiti fitt fred free frei fret frib frid frie frit frub frue ftdi fter ftii ftub fubb fubu fudd fude fudi fuet fuff fufu fuid fuir fuit fur- fure furi furr furt fute futi futu i-be ibed ibet ibfi ibid ibie ibrd ibri ibtb idbe ided idee idef ider idid idie idir idre idrf idub iedr ieet ieie iere ieri ietf iett ieud ifbb ifer ifid ifit ifrb ifrf ifri iide iied iiie iiii iiit iitr iitt irbe ired iree irer irfe irfu iri- irid irie irre irri irte irtf irti itbe iter itet itie itif itrf itri ittf itur iuef iuiu rbbb rbbr rder rebb rebe rebu redd rede redi redr redu reeb reed reef reet refd refe reff refi refr reft refu reid reif reii reir reit reiu rerd rere reri rert reru retd rete reti retr rett reue reuf reut reuu rfdi rfef rfid rib- ribe ribu ridd ride ridi ried rief rier