-er b-u bbb bbe bbi bbk bbr bbs bbu be- beb bee bei bek ber bes beu bez bi- bib bie bii bik bir bis biu biz bkb bke bkk bkr bks brb bre bri brk brr brs bru brz bsb bse bsi bsk bsr bss bsu bub bue bui buk bur bus buu buz bze bzr bzs bzu bzz ebb ebe ebi ebk ebr ebs ebu eeb eee eek eer ees eib eie eii eik eir eis eiu ekb eke eki ekr eks eku erb ere eri erk err ers eru erz es- esb ese esi esk esr ess esu eu- eub eue eui eur eus eze ezr ezs ezz ibb ibe ibi ibk ibr ibs ibu ibz ie- iee iei iek ier ies iib iie iii iir iis iiu ikb ike iki ikk ikr iks iku ir- irb ire iri irk irr irs iru is- isb ise isi isk isr iss isu iu- iub iue iui iur ius iuz ize izi izu izz k-z kbb kbe kbi kbk kbr kbs kbu kbz ke- keb kee kei kek ker kes kez kib kie kii kik kir kis kiu kiz kkb kke kki kkk kkr kks kku kri krk krr krs kru ksb kse ksi ksk ksr kss ksu kub kue kui kuk kur kus kuu rbb rbe rbi rbk rbr rbs rbu re- reb ree rei rek rer res reu rez rib rie rii rik rir ris riz rkb rke rkk rks rku rkz rrb rri rrk rrr rrs rru rsb rse rsi rsk rsr rss rsu rub rue rui ruk rur rus ruu ruz rzb rze sbb sbe sbi sbk sbr sbs sbu se- seb see sei sek ser ses seu sez sib sie sii sik sir sis siu sk- skb ske ski skk skr sks sku sr- srb sre sri srk srr srs ss- ssb sse ssi ssk ssr sss ssu ssz sub sue sui suk sur sus suu suz sze szi szr szu ubb ube ubi ubk ubr ubs ubu ueb uee uei uer ues uib uie uii uir uis uiu ukb uke uki ukk ukr uku ukz ur- urb ure uri urk urr urs uru urz usb use usi usk usr uss usu usz uue uur uus uuu uzb uzi uzu zbb zbr zbs zeb zee zek zer zes zez zib zie zik zir zis ziz zks zrs zse zsi zsu zsz zub zui zuk zur zus zuz zzr zzs zzz

bbbb bbbs bbeb bebb bebe bebi beeb beek beer bees beik beir beis beke beki beks bere beri berk berr bers beru bes- bese besk bess beuk beur beze bezi bezu bibb bibe bibi bibs bieb bier bies bieu biis bike biku birb bire biri birk birr birs biru bis- bise bisk biss bisu bize bizu bizz breb bree brei brek brer bres brez brie brik bris briz brkb brrr brrs brsb brsr brue brus bruz bseb bsee bser bses bsse bubb bube bubi bubs bubu buer bueu buie buik buir buis buiu buke buki bukk buku bur- burb bure buri burk burr burs buru burz buse busi busk buss busu buus buuz buze buzi buzz bzer bzie bzrk bzzz ebbr ebbs eber ebes ebis ebru ebur ebus eeee eees eeke eeks eers eese eesi eesk eeze eiei eier eies eike eiki eiks eire eirs eise eisk eiss ekeb ekek eker ekes ekis ekki eksi ekur erbb erbe ereb erei erer eres erez erie erik eris eriu eriz erke erki erks erre errs erse ersi erub erur erus erzi esbs esee esek eser eses esie esik esis eske esks esku esri esse essi essu esui esus eubi euer eur- eure euse ezek ezer ezri ezuz i-be ibes ibie ibis ibri ibss ibus ieie iere ieri iers iesi iesr iesu iies iiie iiii iiis iirs iisi iisr iisu ikee iker ikes ikki ikri iksu ikue irbe iree irer ires iri- irie iris irki irks irre irri irrs irse irus isbe iseb isee iser ises isie isis isku isri isse issi issr isss issu isus iuiu iuse iuss izes izki izze kbbb kbbe kbbi kbbk kbbr kbbs kbbu kbbz kbeb kbee kbek kber kbes kbez kbib kbie kbik kbis kbiu kbiz kbkb kbkk kbkr kbkz kbrb kbre kbri kbrk kbru kbrz kbsb kbsi kbsk kbsr kbss kbsu kbsz kbub kbue kbuk kbur kbus kbuu kbuz kbze kbzi kbzs kbzu kbzz kebb kebe kebi kebr kebu keek keer kees keib keii keik keir keis kekb keke keki keks keku ker- kerb kere keri kerk kerr kers keru kerz kesb kesi kesk kesr kess kesz keur keus kezb keze kezi kezr kezz kibb kibe kibi kibr kibs kibu kibz kier kies kieu kiez kiii kiik kiis kiiu kiki kikk kikr kiku kikz kirb kiri kirk kirr kirs kiru kise kisi kisk kisr kiss kisu kiur kiuu kizs kizz kkbb kkbe kkbi kkbr kkbs kkbz kkez kkik kkkk kkrb kkre kkrk kkrr kkrs kkrz kkse kksi kksr kkss kksu kkus kkuu kkzu kkzz krbb krbe krbi krbk krbr krbz kreb kree krei krek kres kreu krez krib krik kris kriz krke krki krkk krkr krks krku krkz krrb krre krri krrk krrr krrs krrz krse krsk krsr krss krsu krue krui kruk krur kruz krze krzi krzk krzr krzs krzz ksbi ksbr ksbs ksbz ksee ksei ksek kser ksez ksib ksii ksik ksir ksis ksiz kskb kske kskk kskr ksks ksku kskz ksrb ksrr ksrs ksrz ksse kssi kssr ksss kssu kssz ksub ksue ksui ksuu kszr kubb kube kubr kubs kubu kuei kuek kues kueu kuie kuik kuke kuki kukk kuks kuku kurb kure kuri kurk kurr kurs kuru kurz kusb kusu kuub kuuk kuur kuuu kuuz kuze kuzu kuzz kzbb kzbe kzbi kzbk kzbr kzbs kzbz kzee kzer kziz kzke kzkr kzks kzkz kzrb kzrk kzrr kzrs kzrz kzsb kzse kzsu kzue kzus kzuu kzuz kzzb kzzi kzzk kzzr kzzs kzzz rbbb rbbr rbbs rbis rbss rebb rebe rebk rebs rebu reeb reek rees reii reik reir reis reiu reiz reke reki reks rere reri rers reru