-er -ol bbb bbe bbf bbi bbk bbl bbo bbr be- beb bee bef bei bek bel beo ber bfb bfe bff bfi bfl bfo bfr bi- bib bie bif bii bik bil bio bir bkb bke bkf bkk bkl bko bkr blb ble blf bli blk bll blo blr bob boe bof boi bok bol boo bor brb bre brf bri brk brl bro brr ebb ebe ebf ebi ebk ebl ebo ebr eeb eee eef eek eel eeo eer ef- efb efe eff efi efl efo efr eib eie eif eii eik eil eio eir ekb eke ekf eki ekl eko ekr elb ele elf eli elk ell elo elr eo- eob eoe eof eoi eok eol eoo eor erb ere erf eri erk erl ero err fbb fbe fbf fbi fbk fbl fbo fbr feb fee fef fei fek fel feo fer ffe fff ffi ffk ffl ffo ffr fib fie fif fii fik fil fir fkb fkf fki fkk fkl flb fle flf fli fll flo flr fob foe fof foi fok fol foo for frb fre frf fri frk frl fro frr i-f ibb ibe ibf ibi ibk ibl ibo ibr ie- iee ief iei iek iel ier ifb ife iff ifi ifl ifo ifr iib iie iif iii iil iio iir ikb ike ikf iki ikk ikl iko ikr il- ilb ile ilf ili ilk ill ilo ilr io- iob ioe iof ioi iol ioo ior ir- irb ire irf iri irk irl iro irr kbb kbe kbf kbi kbk kbl kbo kbr ke- keb kee kef kei kek kel keo ker kff kfi kfo kib kie kif kii kik kil kio kir kkb kke kki kkk kkl kkr kl- klb klf kli klo klr kob koe kof koi kok kol koo kor krf kri krk krl kro krr lbb lbe lbf lbi lbk lbl lbo lbr leb lee lef lei lek lel leo ler lfb lfe lff lfi lfk lfl lfo lfr lib lie lif lii lik lil lio lir lkb lkl lkr llb lle llf lli llk lll llo llr lob loe lof loi lok lol loo lor lrb lrf lri lrk lro lrr o-i ob- obb obe obf obi obk obl obo obr oeb oee oef oei oel oeo oer of- ofb ofe off ofi ofl ofo ofr oib oie oif oii oik oil oio oir okb oke oki okk okl oko okr olb ole olf oli olk oll olo oo- oob oof ooi ook ool ooo oor or- orb ore orf ori ork orl oro orr rbb rbe rbf rbi rbk rbl rbo rbr re- reb ree ref rei rek rel reo rer rfb rfe rff rfi rfk rfl rfo rfr rib rie rif rii rik ril rio rir rkb rke rkf rkk rko rle rlf rli rll rlo rlr rob roe rof roi rok rol roo ror rrb rrf rri rrk rrl rrr

bbbb bbeb bblb bebb bebe bebi bebo beeb beef beek beel beer befe beff befo beik beil beir beke beki beko bele beli belk bell belo beo- beof beok beor bere beri berk bero berr bffl bibb bibe bibi bibl bibo bieb bief biel bier biff bifi 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 boef boel boeo boer bofe boff boi- boie boii boil boke boki boko bole boli bolk boll bolo boob booe boof book bool boor bor- bore borf bori bork boro borr breb bree bref 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 eefe eefl eeke eele eero efbr efeo effi efik efil efke efor eiei eier eike eiki eiko eile eire ekeb ekek eker ekki ekoi el-b elbe elbi elbo elee elef elek eleo eler elfe elfi elie elif 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 f--k fble febo feeb feek feel feer fefe feff fefi fefo feie feil feio feir feke feko fele felf feli felk fell felo feof ferb fere ferk fero ferr ffee ffff ffii ffrr fibe fief fiel fier fife fiff fifi fifo fiii fiil fike fiki file fili filk fill filo fioe fior fire firk flee fler flii flik flob floe flok floo flor foer fofo foie foil foke foki fole foli folk foll folo folr foof fook fool for- forb fore fori fork forl foro forr free frei freo frib frie frik fril frio frob froe frol i-be ibfi ibie ible ibri ibro ieie ieio iele iere ieri ifbb ifel ifer ifil ifor ifrb ifrf ifri 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 ioof iooi iooo iore iori irbe iree irel irer irfe iri- irie iril irio irki irlb irob irre irri k-lo kbbb kbbe kbbf kbbi kbbk kbbl kbbo kbbr kbeb kbee kbef kbek kbel kbeo kber kbfb kbff kbfi kbfk kbfl kbfo kbfr kbib kbie kbif kbik kbil kbio kbkb kbkf kbkk kbkl kbko kbkr kblb kble kblf kbll kblo kblr kbob kboe kboi kbok kboo kbrb kbre kbrf kbri kbrk kbrl kbro kebb kebe kebi kebr keef keek keel keer kefb keff kefr keib keif keii keik keil keio keir kekb keke keki kekl keko kele kelf keli kelk kell kelo keok keol ker- kerb kere kerf keri kerk kerl kero kerr kfbk kfeb kfel kfer kffb kfff kffk kfil kfio kfir kfkb kflb kflf kfli kfll kflo kfok kfoo kfor kfre kfri kfro kfrr kibb kibe kibi kibl kibo kibr kief kiel