bbbb bbeb bbet bblb bebb bebe beeb beef beel beer beet befe beff beft bele bell belt belz bere berr bert bete bett betv betz bevz beze bffl bftt bftz blbt bleb blee blet blvt breb bree bref brel brer bret brev brez brrr btrt bttb bzer bzzt bzzz ebbr ebel eber eeee eefe eefl eele eelv eete eeze efbr efet eft- efze el-b elbe elee elef eler elet elev elfe elft elle elte eltz elve elze erbb erbe ereb erel erer eret erev erez erft erle erll erre ertl ertz erve etbr etee etel eter etfb etfe etre ette evel ever evet evre ezel ezer eztv fble feeb feel feer feet fefe feff fele felf fell felt ferb fere ferr fert ferv ferz fete fetr fett fetv feve fevr ffee ffff ffrr fftf flee fler flet fr-v free fret frvt frzb ft-l fter ftlb fvzb fzzt lblr lbrt leef leel leer leet lefe leff left lele lell lere lert lete lett lev- leve leze llef llet llll lrrr lrtv ltbf ltbl ltee lttr lttv lvrr lztt rbbb rbbr rble rebb rebe reeb reef reel reet reev refe reff refl refr reft relb rele rell relt rere rert rete retr rett retz reve reze rfef rffl rlee rlef rrle rrrr rtbf rtee rtfb rtle rtlt rtve rver tbrb teef teel teer teet teev teez teff tefl teft tel- tele tell telt telz ter- tere terf terr tete tetr tett tetz tevl tezz tfeb tre- tree tref tret trev trez trfr trte trtr trvl ttbb tter ttff tttt tvel tver tvrr tvtv tzzt veel veer veet vel- vele vell velt ver- verb vere verl vert vete vetr veve veze vezt vlvt vrbl vref vret vtvl vver vvvv zber zebe zeel zeff zele zell zerf zert zete zeve zeze zrze zzzz