bbbb bbbs bbeb bblb bbls bbpr bebb bebe bebi beeb beef beel beep beer bees befe beff beil beir beis bele beli bell belp bels bere beri berr bers bes- bese bess bffl bffs bfpp bfsi bfsr bibb bibe bibi bibl bibs bieb bief biel bier bies biff bifi biis bile bili bill bils bipp bips birb bire biri birl birr birs bis- bise bisl bisp biss bleb blee blei bles blip blir blis blls blsp blss bpel bpfl breb bree bref brei brel brep brer bres brie bril bris brlp brls brrr brrs brsb brsr bseb bsee bser bses bsff bsfs bspp bspr bsse ebbr ebbs ebel eber ebes ebis ebli eeee eees eefe eefl eele eels eeps eers eese eesi efbr efes effi effs efil efsi eiei eier eies eifs eile eipr eire eirs eise eiss el-b el-p elbe elbi elee elef eler eles elfe elfi elfs elie elif elil elis elle elli ells elpe elpi else epee eper epes epi- epie epil epip epis eple epll eppp epps eprb eprp eprs epsf epsi epsp epss erbb erbe ereb erei erel erer eres erfs erie eril eris erle erli erll erpe erps erre errs erse ersi esbs esee esel eser eses esfp esfs esie esil esis esli eslp espe espi espp esps esri esse essi essl essp fbis fble fbrs febs feeb feel feer fees fefe feff fefi feie feil feir feis fele felf feli fell fels feps ferb fere ferr fers fese fess ffee ffff ffii ffps ffrr ffss fibe fibp fibs fief fiel fier fies fife fiff fifi fiii fiil file fili fill fils fipp fips fire firs fise fisi fiss flee fler fles flii flip flis fprf free frei frep fres frib frie fril frip fris frps frsb fsfi fspf fssf fssp i-be ibes ibfi ibie ibis ible ibri ibsf ibss ieie iele iels iere ieri iers iesi iesr ifbb ifel ifer ifes ifil ifis ifps ifrb ifrf ifri ifsb ifsp iies iiie iiii iiis iipf iirs iisi iisp iisr ile- iler iles ilie ilir ilis ill- ille illi illp ills ilpe ilpr ilre ilse iper ipes ipie ipil ippf ippr ipri ipse ipsi ipsp ipss irbe irbp iree irel irer ires irfe iri- irie iril irip iris irlb irpe irps irre irri irrs irse irsf irsp isbe isbl iseb isee isel isep iser ises isfp isie isil isis isle isls ispe ispf ispr isps isri isrp isse issf issi issp issr isss lblr lbrs leef leel leep leer lees lefe leff leib leie leif leil leir leis lele leli lell lepe lepi lepp leps lere lerp lese less libe libr libs lieb lief liel liep lier lies life liff lifl liii liir liis lilb lile lili lill lils lip- lipb lipe lipi lipl lipp lips lire liri lirl lirp lirr lirs lise lisi lisp liss llbs llef lles llll llps lpfp lppl lprp lpss lrif lrps lrrr lrse ls-r lses lspl lspr lssp lssr pbil pbrf pbrs pbsp pebl peel peep peer pees peff pefs peil peip peir peis pel- pelb pele pelf pell pels pepe pepi peps per- pere perf peri perl perp perr pers pese pesi pess pfff pffr pfis pfli pfps pibb pibi piel piep pier pies piff pifs piip pil- pile pili pill pils pipe pipi pipp pips pire piri pirl pirr pirs pise pisi piss plbr ple- pleb plee plei ples plff plib plie plif plip plis plpp plri plsi plss pper ppib ppie ppif pple ppli pppp ppps pprf ppsf ppss prbs pre- preb pree pref prel prep pres prfs pri- prie prif prii pris prle prlr prls prps prri prrs prse prsi prsl prss psbr pseb psei psel psfs psil psip psis pspi pspp pspr psps psrp psse rbbb rbbr rbbs rbis rble rbsl rbsp rbss rebb rebe rebs reeb reef reel reep rees refe reff refi refl refr refs reif reii reil reir reis relb rele rell relp rels repe repi repl repp repr reps rere reri rers rese resi resp ress rfef rffl rib- ribe ribs rief riel riep rier ries rife riff rifs riif riis rile rill rilp ripe ripi ripl ripp ripr rips rire riri rirs rise risi risp riss rlee rlef rlif rlls rpii rpls rpps rrif rrle rrrr rrsp rsbi rsee rsis rslp rspb rsps rsre rssl s-ib s-ii sbbs sbef sber sbse sbsi sbsp se-e se-f se-i se-s sebe sebi sebs seeb seef seel seep seer sees seff sefi sefl seie seif seii seil seip seir seis selb sele self seli sell sels sepe sepi sepp sepr seps serb sere serf seri serp serr sers sese sesi sess sfer sfls sfss sibe sibi sibs sief siel sier sies sife siff sifl sifr sil- sile silf sili sill sils sipe sipi sipp sips sire sirf siri sirp sirr sirs sise sisi siss sl-i slbp sleb slee slep sler sles slib slie slip slir sllp slpi slpp slps slre slrp slrs speb spee spef spel sper spes spfs spib spie spip spir spis sple splp splr spls sppf spps spri sprs spse spsp spss sreb sres srfi srib sris srps srsp ssbr ssee ssep sses ssfl ssfp ssis ssle sslp sspe sspf sspl ssps ssri ssrl ssrs sssb sssf sssi ssss