-er bbb bbe bbh bbi bbk bbr bbs be- beb bee beh bei bek ber bes bhb bhe bhh bhi bhk bhr bhs bi- bib bie bih bii bik bir bis bkb bke bkk bkr bks brb bre brh bri brk brr brs bsb bse bsh bsi bsk bsr bss ebb ebe ebh ebi ebk ebr ebs eeb eee eek eer ees ehb ehe ehh ehi ehr ehs eib eie eii eik eir eis ekb eke ekh eki ekr eks erb ere erh eri erk err ers es- esb ese esh esi esk esr ess h-i hbb hbe hbh hbi hbk hbr hbs he- heb hee heh hei hek her hes hhb hhe hhh hhi hhk hhr hhs hib hie hih hii hik hir his hkb hkh hki hkk hkr hks hr- hrb hre hrh hri hrk hrr hrs hsb hse hsh hsi hsk hsr hss ibb ibe ibh ibi ibk ibr ibs ie- iee iei iek ier ies ihb ihe ihh ihi ihk ihr ihs iib iie iih iii iir iis ikb ike iki ikk ikr iks ir- irb ire iri irk irr irs is- isb ise ish isi isk isr iss kbb kbe kbh kbi kbk kbr kbs ke- keb kee keh kei kek ker kes khe khh khi khk khr khs kib kie kih kii kik kir kis kkb kke kkh kki kkk kkr kks kri krk krr krs ksb kse ksh ksi ksk ksr kss rbb rbe rbh rbi rbk rbr rbs re- reb ree reh rei rek rer res rh- rhb rhe rhh rhi rhr rhs rib rie rih rii rik rir ris rkb rke rkk rks rrb rrh rri rrk rrr rrs rsb rse rsh rsi rsk rsr rss sbb sbe sbh sbi sbk sbr sbs se- seb see seh sei sek ser ses sh- shb she shh shi shk shr shs sib sie sih sii sik sir sis sk- skb ske skh ski skk skr sks sr- srb sre srh sri srk srr srs ss- ssb sse ssh ssi ssk ssr sss

bbbb bbbs bbeb bbhs bebb bebe bebi beeb beek beer bees behr behs beik beir beis beke beki beks bere beri berk berr bers bes- bese besh besk bess bher bhhs bhie bhir bibb bibe bibi bibs bieb bier bies bihe bihi bihs biis bike bikh birb bire biri birk birr birs bis- bise bish bisk biss bkhs breb bree brei brek brer bres brhs brie brih brik bris brkb brrr brrs brsb brsr bseb bsee bser bses bshs bsse ebbr ebbs eber ebes ebhs ebis eeee eees eehs eeke eeks eers eese eesi eesk eheh eher ehhs ehis ehre eiei eier eies eike eiki eiks eire eirs eise eish eisk eiss ekeb ekek eker ekes ekhs ekis ekki eksi erbb erbe ereb erei erer eres erhs erie erih erik eris erke erki erks erre errs erse ersh ersi esbs esee esek eser eses eshs esie esik esis eske esks esri esse essh essi h-ii hbbs hbes hbhs hbrs hbss hebb hebe hebi hebr heeb heek heer hees hehe hehs heie heih heik heir heis heke herb here heri herk herr hers hesh hess hhhh hhhs hibi hiei hier hies hihe hihi hiie hiis hike hiki hire hiri hirk hirs hisb hise hish hiss hkir hkis hkse hree hrhs hrib hsei hses hshs hski hsse i-be ibeh ibes ibie ibis ibri ibss ieie iere ieri iers iesi iesr iher ihis ihre ihss iies iiie iiii iiis iirs iisi iisr ikee iker ikes ikki ikri irbe iree irer ires irhs iri- irie iris irki irks irre irri irrs irse isbe iseb isee iseh iser ises ishe ishi ishk ishr ishs isie isis isri isse issh issi issr isss kbbb kbbe kbbi kbbk kbbr kbbs kbeb kbee kbeh kbek kber kbes kbhb kbhe kbhh kbhi kbhr kbhs kbib kbie kbik kbis kbkb kbkk kbkr kbrb kbre kbrh kbri kbrk kbsb kbsi kbsk kbsr kbss kebb kebe kebi kebr keeh keek keer kees kehk kehr kehs keib keii keik keir keis kekb keke keki keks ker- kerb kere keri kerk kerr kers kesb kesh kesi kesk kesr kess khbr khbs kheb kher khhk khhs khii khis khke khki khkk khkr khks khri khrk khrr khse khsi khss kibb kibe kibi kibr kibs kier kies kihh kihi kihk kihr kihs kiii kiik kiis kiki kikk kikr kirb kiri kirk kirr kirs kise kish kisi kisk kisr kiss kkbb kkbe kkbi kkbr kkbs kkhb kkhh kkhi kkhk kkhr kkik kkkk kkrb kkre kkrh kkrk kkrr kkrs kkse kksi kksr kkss krbb krbe krbi krbk krbr kreb kree kreh krei krek kres krhs krib krik kris krke krkh krki krkk krkr krks krrb krre krri krrk krrr krrs krse krsh krsk krsr krss ksbh ksbi ksbr ksbs ksee kseh ksei ksek kser kshb kshe kshi kshk kshr kshs ksib ksii ksik ksir ksis kskb kske kskk kskr ksks ksrb ksrh ksrr ksrs ksse kssi kssr ksss rbbb rbbr rbbs rbhs rbis rbss rebb rebe rebk rebs reeb reek rees rehb rehe rehi rehs reii reik reir reis reke reki reks rere reri rers rese resh resi ress rheb rhee rhes rhhs rhib rib- ribe ribs riek rier ries rihs riis rike riki rikk rire riri rirs rise rish risi risk riss rkss rrhs rrrr rsbi rsee rshs rsis rsre s-ib s-ii sbbs sber sbhk sbhs sbrk sbse sbsi se-e se-h se-i se-k se-s sebe sebi sebs seeb seeh seek seer sees sehe sehk sehr sehs seie seih seii seik seir seis seke seki sekk serb sere seri serk serr sers sese sesh sesi sess shbs she- sheb shee sheh shek sher shes shhh shhs shib shie shih shii shik shir shis shre shri shrs sibe sibi sibs siek sier sies sihi sihk sihr sihs siik sike sikh siki sikr siks sire siri sirk sirr sirs sise sish sisi sisk siss skee skei sker skes skhs skie skik skir skis skss sreb sres srhs srib sris ssbr ssee sses sshs ssis ssri ssrs sssb sssh sssi ssss

b-r-k