-er b-p bbb bbe bbi bbp bbr bbs be- beb bee bei bep ber bes bi- bib bie bii bip bir bis bpb bpe bpi bpp bpr bps brb bre bri brp brr brs bsb bse bsi bsp bsr bss ebb ebe ebi ebp ebr ebs eeb eee eep eer ees eib eie eii eip eir eis ep- epb epe epi epp epr eps erb ere eri erp err ers es- esb ese esi esp esr ess ibb ibe ibi ibp ibr ibs ie- iee iei iep ier ies iib iie iii iip iir iis ipb ipe ipi ipp ipr ips ir- irb ire iri irp irr irs is- isb ise isi isp isr iss p-p pbb pbe pbi pbp pbr pbs peb pee pei pep per pes pib pie pii pip pir pis ppb ppe ppi ppp ppr pps prb pre pri prp prr prs ps- psb pse psi psp psr pss rbb rbe rbi rbp rbr rbs re- reb ree rei rep rer res rib rie rii rip rir ris rpb rpe rpi rpp rpr rps rrb rri rrp rrr rrs rsb rse rsi rsp rsr rss sbb sbe sbi sbp sbr sbs se- seb see sei sep ser ses sib sie sii sip sir sis spb spe spi spp spr sps sr- srb sre sri srp srr srs ss- ssb sse ssi ssp ssr sss

bbbb bbbs bbeb bbpr bebb bebe bebi beeb beep beer bees beir beis bere beri berr bers bes- bese bess bibb bibe bibi bibs bieb bier bies biis bipp bips birb bire biri birr birs bis- bise bisp biss breb bree brei brep brer bres brie bris brrr brrs brsb brsr bseb bsee bser bses bspp bspr bsse ebbr ebbs eber ebes ebis eeee eees eeps eers eese eesi eiei eier eies eipr eire eirs eise eiss epee eper epes epi- epie epip epis eppp epps eprb eprp eprs epsi epsp epss erbb erbe ereb erei erer eres erie eris erpe erps erre errs erse ersi esbs esee eser eses esie esis espe espi espp esps esri esse essi essp i-be ibes ibie ibis ibri ibss ieie iere ieri iers iesi iesr iies iiie iiii iiis iirs iisi iisp iisr iper ipes ipie ippr ipri ipse ipsi ipsp ipss irbe irbp iree irer ires iri- irie irip iris irpe irps irre irri irrs irse irsp isbe iseb isee isep iser ises isie isis ispe ispr isps isri isrp isse issi issp issr isss pbrs pbsp peep peer pees peip peir peis pepe pepi peps per- pere peri perp perr pers pese pesi pess pibb pibi piep pier pies piip pipe pipi pipp pips pire piri pirr pirs pise pisi piss pper ppib ppie pppp ppps ppss prbs pre- preb pree prep pres pri- prie prii pris prps prri prrs prse prsi prss psbr pseb psei psip psis pspi pspp pspr psps psrp psse rbbb rbbr rbbs rbis rbsp rbss rebb rebe rebs reeb reep rees reii reir reis repe repi repp repr reps rere reri rers rese resi resp ress rib- ribe ribs riep rier ries riis ripe ripi ripp ripr rips rire riri rirs rise risi risp riss rpii rpps rrrr rrsp rsbi rsee rsis rspb rsps rsre s-ib s-ii sbbs sber sbse sbsi sbsp se-e se-i se-s sebe sebi sebs seeb seep seer sees seie seii seip seir seis sepe sepi sepp sepr seps serb sere seri serp serr sers sese sesi sess sibe sibi sibs sier sies sipe sipi sipp sips sire siri sirp sirr sirs sise sisi siss speb spee sper spes spib spie spip spir spis spps spri sprs spse spsp spss sreb sres srib sris srps srsp ssbr ssee ssep sses ssis sspe ssps ssri ssrs sssb sssi ssss

bbbee bbser be-er beber bebes beebe beebs beepi beeps beeri beers beibi beier beire beirs beppe berbe berei beres berie beris berre berri berse besee besie besri besse bessi bibbe bibbs biber bibes bibie bibis bibri biebe biebs biere bieri biers bipes bipib birie birrs birse bisee bisei biser bises bisie bisse bpips breer brees brere brers brese bress bribe brier bries brisb brise brisi briss brrrr e-sir ebber ebbie ebers ebibe eeeee eepee eerie eipri eires eirie eiseb eisie epees epesi eppes eppie erbbe erber erebs ereis erere eresi erier eries erpis erres erris erses esbri esere esiee esiri esp-r esper espre esser esses essie essse ieiri iepe ieper ierei iiiee iiiii iiris iisir ippee ippei ipsi- irbis iress iris- irise iriss irrep irsee irssi is-is isisi ispep isrib issei isser issie issre p-rep pbers pebi- pebie pebre peeps peere peeri peers peese peire peirs peise pepee pepes peppe peppi pepsi perer peres peri- perie peris perps perre perri perse persi persp peses pesse pibse piere pieri piers piibe piiri piisi piper pipes pipis pippi pipri pires pirie pirre pirri pissi ppers prees preie preis preps prese press prier pries priis prise priss rebbe reber rebis reepe reere reese reise reiss reppe repps rere- reree reres rerip rerir resee reses resip resse ribbi riber ribes ribie rieps riers riese riesi riess riise riper ripes rippe rires ririe risee riser rises risps risse rissp rripe rrsps s-iii sebbe sebei sebes sebi- sebis sebri sebsi see-i seebe seebi seeis seeps seere seers seese seibi seipp seire seirs seise seiss seppi sepsi serbi serbs serer seres serie serir seris serpe serps serre serri serse sersi serss seser seses sesis sesse sibbe sibir siebe sieie siepi siese siper sipes sippe sippi sipsi siree sires siris sirse sirsi siser sises sisis sissi speer spees speir spere speri sperr spier spies spir- spire spirr spise spiss spree spres srprb ssies sssrb sssss

bbbbbb bbsers beebee beebes beeper beerse beiber beires beiser bepeps bepiss berbee berber berbes berere berrer berres berrie bersee besbes besbre beseri besire besser besses bessie bibber bibers bibiri bieber bierse biribi biripe birise birses bisbee bissee bissie brebes breere breese breise breres bresi bresse bribe- bribee briber bribes bribir bribri briers briese briser brises brisse ebbers ebr-ii ebrie eebree