-er b-u bbb bbe bbi bbr bbs bbu be- beb bee bei ber bes beu bi- bib bie bii bir bis biu brb bre bri brr brs bru bsb bse bsi bsr bss bsu bub bue bui bur bus buu ebb ebe ebi ebr ebs ebu eeb eee eer ees eib eie eii eir eis eiu erb ere eri err ers eru es- esb ese esi esr ess esu eu- eub eue eui eur eus ibb ibe ibi ibr ibs ibu ie- iee iei ier ies iib iie iii iir iis iiu ir- irb ire iri irr irs iru is- isb ise isi isr iss isu iu- iub iue iui iur ius rbb rbe rbi rbr rbs rbu re- reb ree rei rer res reu rib rie rii rir ris rrb rri rrr rrs rru rsb rse rsi rsr rss rsu rub rue rui rur rus ruu sbb sbe sbi sbr sbs sbu se- seb see sei ser ses seu sib sie sii sir sis siu sr- srb sre sri srr srs ss- ssb sse ssi ssr sss ssu sub sue sui sur sus suu ubb ube ubi ubr ubs ubu ueb uee uei uer ues uib uie uii uir uis uiu ur- urb ure uri urr urs uru usb use usi usr uss usu uue uur uus uuu

bbbb bbbs bbeb bebb bebe bebi beeb beer bees beir beis bere beri berr bers beru bes- bese bess beur bibb bibe bibi bibs bieb bier bies bieu biis birb bire biri birr birs biru bis- bise biss bisu breb bree brei brer bres brie bris brrr brrs brsb brsr brue brus bseb bsee bser bses bsse bubb bube bubi bubs bubu buer bueu buie buir buis buiu bur- burb bure buri burr burs buru buse busi buss busu buus ebbr ebbs eber ebes ebis ebru ebur ebus eeee eees eers eese eesi eiei eier eies eire eirs eise eiss erbb erbe ereb erei erer eres erie eris eriu erre errs erse ersi erub erur erus esbs esee eser eses esie esis esri esse essi essu esui esus eubi euer eur- eure euse i-be ibes ibie ibis ibri ibss ibus ieie iere ieri iers iesi iesr iesu iies iiie iiii iiis iirs iisi iisr iisu irbe iree irer ires iri- irie iris irre irri irrs irse irus isbe iseb isee iser ises isie isis isri isse issi issr isss issu isus iuiu iuse iuss rbbb rbbr rbbs rbis rbss rebb rebe rebs rebu reeb rees reii reir reis reiu rere reri rers reru rese resi ress reue reus reuu rib- ribe ribs ribu rier ries rieu riis rire riri rirs rise risi riss risu riue rius rrrr rsbi rsee rsis rsre rubb rube rubi rubs rubu ruer rues ruis rure ruri rurs ruru ruse rusi russ rusu s-ib s-ii sbbs sber sbse sbsi sbus se-e se-i se-s se-u sebe sebi sebs seeb seer sees seeu seie seii seir seis seiu serb sere seri serr sers seru sese sesi sess seui seur sibe sibi sibs sibu sier sies sire siri sirr sirs siru sise sisi siss sisu siue siui sius sreb sres srib sris srub ssbr ssee sses ssis ssri ssrs sssb sssi ssss sub- subb subi subs suee suer sues sueu suie suir suis sur- sure suri surr surs suru sus- suse susi suss susu suus u-ie ubbe ubbi uber ubii ubir ubis ueir uers uess uies uirr uise urbe urbi urbs ure- ures urib urie uris uriu urre urri urse ursi urss ursu urur urus usbe usbr usbs usee user uses usie usis ussb usse ussr usss ussu usui usus uuri uusi uuuu

bbbee bbser bbuss be-er beber bebes beebe beebs beeri beers beibi beier beire beirs beisu beius berbe berei beres berie beris beriu berre berri berru berse berus besee besie besri besse bessi beuer beure bibbe bibbs biber bibes bibie bibis bibri bibus biebe biebs biere bieri biers birie birrs birse birur bisee bisei biser bises bisie bisse biure brebu breer brees brere brers brese bress breu- bribe brier bries brisb brise brisi briss brrrr bruer brues bruis bruiu bruri bruse bruss bsure bubbe buber buies buire buise burbs bures burie burri burrs burru burse burus buser buses busir busse bussu busur busuu e-sir ebber ebbie ebers ebibe ebisu ebure eeeee eerie eires eirie eiseb eisie erbbe erber erebs ereis erere eresi erier eries erres erris erses erubs esbri esbus esere esiee esiri esser esses essie essse essue esure eubie eurre eurus euser ibbur iebus ieiri ierei iiiee iiiii iiris iisir irbis iress iris- irise iriss irisu irsee irssi is-is iseeu isisi isrib issei isser issie issre issru issue issus issuu isure isuus iurie rebbe reber rebis rebus reere reese reise reiss rere- reree reres rerir resee reses resse resue resus reuer reuir reuis reuse reuss ribbi riber ribes ribie riers riese riesi riess riise riisu rires ririe risee riser rises risse risus riuer rubbi rubee ruber rubes rubie rubis rubus ruere ruers ruiru ruses rusie russe russi s-bus s-iii sebbe sebei sebes sebi- sebis sebri sebsi see-i seebe seebi seeis seere seers seese seesu seibi seibu seire seirs seise seiss serbi serbs serer seres serie serir seris serre serri serse sersi serss serue seser seses sesis sesse sesue seuer seuir seure seuss sibbe sibir sibiu sibsu sibur siebe sieie siese sieu sieur siree sires siris siriu sirse sirsi sirur siser sises sisis sissi sissu siuri siuru siusi ssies sssrb sssss subbu subei suber subis subss suebi suere suers suess sueur suibu surer sures surir suris surre surui surur surus suser suses susie susse susus u-ies uber- ubers ubirr ubisi ubris uibis urbes urbis uribe urris ursus urubu ururi urusi usees users usies usire usses ussie usure ususi uusis uuuuu

bbbbbb bbsers beebee beebes beerse beiber beires beiser berbee berber berbes berere berisu berrer berres berrie bersee berube beruri besbes besbre beseri besire besser besses bessie bessus besure beurre bibber bibers bibiri bibiru bieber bierse biribi birise birrus birses bisbee bissee bissie brebes breere breese breise breres bresi