-er -ol bbb bbe bbi bbk bbl bbo bbr be- beb bee bei bek bel beo ber bev bi- bib bie bii bik bil bio bir biv bkb bke bkk bkl bko bkr bkv blb ble bli blk bll blo blr blv bob boe boi bok bol boo bor bov brb bre bri brk brl bro brr brv bvb bve bvi bvk bvl bvo bvr bvv ebb ebe ebi ebk ebl ebo ebr ebv eeb eee eek eel eeo eer eev eib eie eii eik eil eio eir eiv ekb eke eki ekl eko ekr ekv elb ele eli elk ell elo elr elv eo- eob eoe eoi eok eol eoo eor erb ere eri erk erl ero err erv evb eve evi evl evo evr evv i-v ibb ibe ibi ibk ibl ibo ibr ibv ie- iee iei iek iel ier iev iib iie iii iil iio iir ikb ike iki ikk ikl iko ikr ikv il- ilb ile ili ilk ill ilo ilr ilv io- iob ioe ioi iol ioo ior iov ir- irb ire iri irk irl iro irr irv ivb ive ivi ivl ivo ivr ivv kbb kbe kbi kbk kbl kbo kbr ke- keb kee kei kek kel keo ker kev kib kie kii kik kil kio kir kiv kkb kke kki kkk kkl kkr kkv kl- klb kli klo klr klv kob koe koi kok kol koo kor kri krk krl kro krr krv kvb kvi kvk kvo kvr kvv lbb lbe lbi lbk lbl lbo lbr lbv leb lee lei lek lel leo ler lev lib lie lii lik lil lio lir liv lkb lkl lkr llb lle lli llk lll llo llr llv lob loe loi lok lol loo lor lov lrb lri lrk lro lrr lrv lvb lve lvi lvl lvr lvv o-i ob- obb obe obi obk obl obo obr obv oeb oee oei oel oeo oer oib oie oii oik oil oio oir oiv okb oke oki okk okl oko okr olb ole oli olk oll olo oo- oob ooi ook ool ooo oor oov or- orb ore ori ork orl oro orr orv ov- ovb ove ovi ovl ovo ovv rbb rbe rbi rbk rbl rbo rbr re- reb ree rei rek rel reo rer rev rib rie rii rik ril rio rir riv rkb rke rkk rko rkv rle rli rll rlo rlr rob roe roi rok rol roo ror rov rrb rri rrk rrl rrr rvb rve rvi rvl rvo rvr rvv v-e vbi vbk vbl vbo vbr vbv veb vee vei vek vel veo ver vi- vib vie vii vik vil vio vir viv vkb vl- vlb vle vlk vll vlo vlv vob voe voi vok vol voo vor vov vrb vre vri vrk vrr vvb vvi vvo vvr vvv

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 bevo 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 bive bivi bivl 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 bove bovi bovo breb bree brei brek brel breo brer brev brie brik bril brio brkb brob broe brok brol broo bror brrr brvi ebbo ebbr ebel eber ebli eboe ebol eboo ebor ebro eeee eeke eele eelv eero eiei eier eike eiki eiko eile eire ekeb ekek eker ekki ekoi el-b elbe elbi elbo elee elek eleo eler elev elie elik elil elio elke elki elko elle elli ello eloi elok elro elve elvo eoir eole eoli eolo eore eori eorl erbb erbe ereb erei erel erer erev erie erik eril erio erke erki erle erli erll erob eroe eroi erol eroo erre erro erve ervi evel ever evie evil evir evli evoe evol evoo evre evvk 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 irov irre irri ivbv ivel iver ivie ivor ivre k-lo kbbb kbbe kbbi kbbk kbbl kbbo kbbr kbeb kbee kbek kbel kbeo kber kbev kbib kbie kbik kbil kbio kbkb kbkk kbkl kbko kbkr kbkv kblb kble kbll kblo kblr kblv kbob kboe kboi kbok kboo kbov kbrb kbre kbri kbrk kbrl kbro kbrv kbvb kbvo kbvr 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 kerv keve kevi kibb kibe kibi kibl kibo kibr kiel kier kiev kiii kiik kiki kikk kiko kikr kilb kile kili kilk kill kilo kilr kioe kioi kiok kiol kioo kirb kiri kirk kiro kirr kirv kive kivi kkbb kkbe kkbi kkbl kkbo kkbr kkik kkkk kklb kkli kkll kklo kklv kkob kkol kkoo kkor kkov kkrb kkre kkrk kkrl kkro kkrr kkrv kkvr kkvv klbb klbe klbl kleb klee klek kleo kler klib klik klil klio klir kliv klkk klkl klko klkr klkv kllb klle kllk kllv klob kloe klok klol kloo klor klov klrk klrr klvb klve klvi klvk klvl klvo klvv kobb kobe kobi kobk kobo kobr koei koel koii koil koir koiv kokb koke koki kokk koko kokr kolb kole koli kolk koll kolo kolr kolv koob kooi kook kool kooo koor koov korb kore kori kork korl koro korr korv kove kovi kovk kovo kovr krbb krbe krbi krbk krbl krbr kreb kree krei krek kreo krev krib krik