-er b-u bbb bbe bbh bbi bbr bbs bbu be- beb bee beh bei ber bes beu bhb bhe bhh bhi bhr bhs bhu bi- bib bie bih bii bir bis biu brb bre brh bri brr brs bru bsb bse bsh bsi bsr bss bsu bub bue buh bui bur bus buu ebb ebe ebh ebi ebr ebs ebu eeb eee eer ees ehb ehe ehh ehi ehr ehs ehu eib eie eii eir eis eiu erb ere erh eri err ers eru es- esb ese esh esi esr ess esu eu- eub eue eui eur eus h-i hbb hbe hbh hbi hbr hbs hbu he- heb hee heh hei her hes heu hhb hhe hhh hhi hhr hhs hhu hib hie hih hii hir his hiu hr- hrb hre hrh hri hrr hrs hru hsb hse hsh hsi hsr hss hsu hub hue huh hui hur hus huu ibb ibe ibh ibi ibr ibs ibu ie- iee iei ier ies ihb ihe ihh ihi ihr ihs ihu iib iie iih iii iir iis iiu ir- irb ire iri irr irs iru is- isb ise ish isi isr iss isu iu- iub iue iui iur ius rbb rbe rbh rbi rbr rbs rbu re- reb ree reh rei rer res reu rh- rhb rhe rhh rhi rhr rhs rhu rib rie rih rii rir ris rrb rrh rri rrr rrs rru rsb rse rsh rsi rsr rss rsu rub rue ruh rui rur rus ruu sbb sbe sbh sbi sbr sbs sbu se- seb see seh sei ser ses seu sh- shb she shh shi shr shs shu sib sie sih sii sir sis siu sr- srb sre srh sri srr srs ss- ssb sse ssh ssi ssr sss ssu sub sue suh sui sur sus suu ubb ube ubh ubi ubr ubs ubu ueb uee ueh uei uer ues uhb uhe uhh uhi uhr uhs uhu uib uie uii uir uis uiu ur- urb ure uri urr urs uru usb use ush usi usr uss usu uue uur uus uuu

bbbb bbbs bbeb bbhs bebb bebe bebi beeb beer bees behr behs beir beis bere beri berr bers beru bes- bese besh bess beur bher bhhs bhie bhir bhur bhuu bibb bibe bibi bibs bieb bier bies bieu bihe bihi bihs bihu biis birb bire biri birr birs biru bis- bise bish biss bisu breb bree brei brer bres brhs brie brih bris brrr brrs brsb brsr brue bruh brus bseb bsee bser bses bshs bsse bubb bube bubi bubs bubu buer bueu buhe buhi buhr buhs buie buir buis buiu bur- burb bure burh buri burr burs buru buse bush busi buss busu buus ebbr ebbs eber ebes ebhs ebis ebru ebur ebus eeee eees eehs eers eese eesi eheh eher eheu ehhs ehis ehre eiei eier eies eire eirs eise eish eiss erbb erbe ereb erei erer eres erhs erhu erie erih eris eriu erre errs erse ersh ersi erub eruh erur erus esbs esee eser eses eshs eshu esie esis esri esse essh essi essu esui esus eubi euer eur- eure euse h-ii hbbs hbes hbhs hbrs hbss hebb hebe hebi hebr heeb heer hees hehe hehs heie heih heir heis herb here heri herr hers heru hesh hess heue heui heur heus hhhh hhhs hhus hibi hibu hiei hier hies hieu hihe hihi hiie hiis hiiu hire hiri hirs hiru hisb hise hish hiss hree hrhs hrib hsei hses hshs hsse hsur hubb hube hubi hubs huer hues huhi huhs huhu huib huie huir huis hure huri hurr hurs huru huse hush husi huss huub huus i-be ibeh ibes ibie ibis ibri ibss ibus ieie iere ieri iers iesi iesr iesu iher ihis ihre ihss ihub iies iiie iiii iiis iirs iisi iisr iisu irbe iree irer ires irhs iri- irie iris irre irri irrs irse irus isbe iseb isee iseh iser ises ishe ishi ishr ishs isie isis isri isse issh issi issr isss issu isuh isus iuiu iuse iuss rbbb rbbr rbbs rbhs rbis rbss rebb rebe rebs rebu reeb rees rehb rehe rehi rehs reii reir reis reiu rere reri rers reru rese resh resi ress reue reus reuu rheb rhee rhes rhhs rhib rhue rhus rib- ribe ribs ribu rier ries rieu rihs riis rire riri rirs rise rish risi riss risu riue rius rrhs rrrr rsbi rsee rshs rsis rsre rubb rube rubi rubs rubu ruer rues ruhe ruhh ruhi ruhr ruhs ruis rure ruri rurs ruru ruse rush rusi russ rusu s-ib s-ii sbbs sber sbhs sbse sbsi sbus se-e se-h se-i se-s se-u sebe sebi sebs seeb seeh seer sees seeu sehe sehr sehs seie seih seii seir seis seiu serb sere seri serr sers seru sese sesh sesi sess seui seur shbs she- sheb shee sheh sher shes sheu shhh shhs shib shie shih shii shir shis shiu shre shri shrs shub shue shui shur shus shuu sibe sibi sibs sibu sier sies sihi sihr sihs sihu sire siri sirr sirs siru sise sish sisi siss sisu siue siui sius sreb sres srhs srib sris srub ssbr ssee sses sshs ssis ssri ssrs sssb sssh sssi ssss sub- subb subh subi subs suee suer sues sueu suhb suhi suhr 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 uher uhrs uhss uhuh uies uirr uise urbe urbi urbs ure- ureh ures urib urie uris uriu urre urrh urri urse ursi urss ursu urur urus usbe usbr usbs usee user uses ushi ushr ushs ushu usie usis ussb usse ussr usss ussu usui usus uuri uusi uuuu

bbbee bbser bbuss be-er beber bebes beebe beebs beeri beers beher behie behir behue beibi beier beihe beihu beire beirs beisu beius berbe bereh berei beres berhe berie beris beriu berre berri berru berse berus besee beshe besie besri besse bessi beuer beure bheer bhees bheri bibbe bibbs biber bibes bibie bibis bibri bibus