-er -ol bbb bbe bbi bbk bbl bbo bbr be- beb bee bei bek bel beo ber bi- bib bie bii bik bil bio bir bkb bke bkk bkl bko bkr blb ble bli blk bll blo blr bob boe boi bok bol boo bor brb bre bri brk brl bro brr ebb ebe ebi ebk ebl ebo ebr eeb eee eek eel eeo eer eib eie eii eik eil eio eir ekb eke eki ekl eko ekr elb ele eli elk ell elo elr eo- eob eoe eoi eok eol eoo eor erb ere eri erk erl ero err ibb ibe ibi ibk ibl ibo ibr ie- iee iei iek iel ier iib iie iii iil iio iir ikb ike iki ikk ikl iko ikr il- ilb ile ili ilk ill ilo ilr io- iob ioe ioi iol ioo ior ir- irb ire iri irk irl iro irr kbb kbe kbi kbk kbl kbo kbr ke- keb kee kei kek kel keo ker kib kie kii kik kil kio kir kkb kke kki kkk kkl kkr kl- klb kli klo klr kob koe koi kok kol koo kor kri krk krl kro krr lbb lbe lbi lbk lbl lbo lbr leb lee lei lek lel leo ler lib lie lii lik lil lio lir lkb lkl lkr llb lle lli llk lll llo llr lob loe loi lok lol loo lor lrb lri lrk lro lrr o-i ob- obb obe obi obk obl obo obr oeb oee oei oel oeo oer oib oie oii oik oil oio oir okb oke oki okk okl oko okr olb ole oli olk oll olo oo- oob ooi ook ool ooo oor or- orb ore ori ork orl oro orr rbb rbe rbi rbk rbl rbo rbr re- reb ree rei rek rel reo rer rib rie rii rik ril rio rir rkb rke rkk rko rle rli rll rlo rlr rob roe roi rok rol roo ror rrb rri rrk rrl rrr

bbbb bbeb bblb bebb bebe bebi bebo beeb beek beel beer beik beil beir beke beki beko bele beli belk bell belo beo- beok beor bere beri berk bero berr bibb bibe bibi bibl bibo bieb biel bier bike biko bile bili bilk bill bilo bio- bioi biol birb bire biri birk birl biro birr bleb blee blei blek bleo blik blio blir blkb blob blok bloo bobb bobe bobi bobo boee boel boeo boer boi- boie boii boil boke boki boko bole boli bolk boll bolo boob booe book bool boor bor- bore bori bork boro borr breb bree brei brek brel breo brer brie brik bril brio brkb brob broe brok brol broo bror brrr ebbo ebbr ebel eber ebli eboe ebol eboo ebor ebro eeee eeke eele eero eiei eier eike eiki eiko eile eire ekeb ekek eker ekki ekoi el-b elbe elbi elbo elee elek eleo eler elie elik elil elio elke elki elko elle elli ello eloi elok elro eoir eole eoli eolo eore eori eorl erbb erbe ereb erei erel erer erie erik eril erio erke erki erle erli erll erob eroe eroi erol eroo erre erro i-be ibie ible ibri ibro ieie ieio iele iere ieri iiie iiii iiio iioi iioo ikee iker ikki ikko ikoo ikri ile- ilek ileo iler ilie ilio ilir ilke ilki ill- ille illi illo ilok iloo ilre iobi ioee ioel ioii ioio ioke ioko iole iolo iooi iooo iore iori irbe iree irel irer iri- irie iril irio irki irlb irob irre irri k-lo kbbb kbbe kbbi kbbk kbbl kbbo kbbr kbeb kbee kbek kbel kbeo kber kbib kbie kbik kbil kbio kbkb kbkk kbkl kbko kbkr kblb kble kbll kblo kblr kbob kboe kboi kbok kboo kbrb kbre kbri kbrk kbrl kbro kebb kebe kebi kebr keek keel keer keib keii keik keil keio keir kekb keke keki kekl keko kele keli kelk kell kelo keok keol ker- kerb kere keri kerk kerl kero kerr kibb kibe kibi kibl kibo kibr kiel kier kiii kiik kiki kikk kiko kikr kilb kile kili kilk kill kilo kilr kioe kioi kiok kiol kioo kirb kiri kirk kiro kirr kkbb kkbe kkbi kkbl kkbo kkbr kkik kkkk kklb kkli kkll kklo kkob kkol kkoo kkor kkrb kkre kkrk kkrl kkro kkrr klbb klbe klbl kleb klee klek kleo kler klib klik klil klio klir klkk klkl klko klkr kllb klle kllk klob kloe klok klol kloo klor klrk klrr kobb kobe kobi kobk kobo kobr koei koel koii koil koir kokb koke koki kokk koko kokr kolb kole koli kolk koll kolo kolr koob kooi kook kool kooo koor korb kore kori kork korl koro korr krbb krbe krbi krbk krbl krbr kreb kree krei krek kreo krib krik kril krio krke krki krkk krko krkr krle krob kroe kroi krok krol kroo kror krrb krre krri krrk krrl krro krrr lblr lebo leek leel leer leib leie leik leil leio leir leke leki lekk leko lele leli lell lelo leoi leok leor lere lerk lero libe libo libr lieb liek liel lier liii liir like liko lilb lile lili lill lilo lio- lior lire liri lirk lirl liro lirr llll lloo lob- lobb lobe lobi lobo loeb loei loik loir loke loki lokk loko lole loli loll lolo loob looe look lool loor lore lori lork loro lroi lrrr o-eo obbo obel ober obie obkb oble oboe oboi obok obol obor obre obri obro oeil oele oere oier oiii oike oiko oire oker okie okir okko oklo okok okol okor okre okro olbo ole- olei oleo oler olib olie olio olki olle olli ollo olor oobe oobi ooer oolo oooo oore orbb orbe orbi orbo ore- oreb orek orel oreo orer ori- orie oril orio orke orko orle orlo oro- oroe orok oror orri orro rbbb rbbr rble rebb rebe rebk rebo reeb reek reel reii reik reil reir reke reki reko relb rele rell relo reol rere reri rero rib- ribe ribo riek riel rier rike riki