-er -ol b-u bbb bbe bbi bbl bbo bbr bbu be- beb bee bei bel beo ber beu bev bi- bib bie bii bil bio bir biu biv blb ble bli bll blo blr blu blv bob boe boi bol boo bor bou bov brb bre bri brl bro brr bru brv bub bue bui bul buo bur buu bvb bve bvi bvl bvo bvr bvu bvv ebb ebe ebi ebl ebo ebr ebu ebv eeb eee eel eeo eer eev eib eie eii eil eio eir eiu eiv elb ele eli ell elo elr elu elv eo- eob eoe eoi eol eoo eor eou erb ere eri erl ero err eru erv eu- eub eue eui eul eur euv evb eve evi evl evo evr evv i-v ibb ibe ibi ibl ibo ibr ibu ibv ie- iee iei iel ier iev iib iie iii iil iio iir iiu il- ilb ile ili ill ilo ilr ilu ilv io- iob ioe ioi iol ioo ior iou iov ir- irb ire iri irl iro irr iru irv iu- iub iue iui iur ivb ive ivi ivl ivo ivr ivu ivv lbb lbe lbi lbl lbo lbr lbu lbv leb lee lei lel leo ler leu lev lib lie lii lil lio lir liu liv llb lle lli lll llo llr llu llv lob loe loi lol loo lor lou lov lrb lri lro lrr lru lrv lub lue lui lul luo lur luu luv lvb lve lvi lvl lvr lvv o-i ob- obb obe obi obl obo obr obu obv oeb oee oei oel oeo oer oib oie oii oil oio oir oiu oiv olb ole oli oll olo olu oo- oob ooi ool ooo oor oov or- orb ore ori orl oro orr oru orv ou- oue oui oul ouo our ov- ovb ove ovi ovl ovo ovv rbb rbe rbi rbl rbo rbr rbu re- reb ree rei rel reo rer reu rev rib rie rii ril rio rir riv rle rli rll rlo rlr rlu rob roe roi rol roo ror rou rov rrb rri rrl rrr rru rub rue rui ruo rur ruu ruv rvb rve rvi rvl rvo rvr rvu rvv ubb ube ubi ubl ubo ubr ubu ubv ueb uee uei uel uer uib uie uii uil uio uir uiu ulb ule uli ull ulo ulr ulu ulv uob uoe uol uoo uor ur- urb ure uri url uro urr uru uue uur uuu uvb uve uvl uvo uvu uvv v-e vbi vbl vbo vbr vbv veb vee vei vel veo ver veu vi- vib vie vii vil vio vir viu viv vl- vlb vle vll vlo vlv vob voe voi vol voo vor vou vov vrb vre vri vrr vru vue vul vur vuv vvb vvi vvo vvr vvv

bbbb bbeb bblb bebb bebe bebi bebo beeb beel beer beil beir bele beli bell belo belu beo- beor bere beri bero berr beru beur bevo bibb bibe bibi bibl bibo bieb biel bier bieu bile bili bill bilo bilu bio- bioi biol biou birb bire biri birl biro birr biru bive bivi bivl bleb blee blei bleo bleu blio blir blob bloo blou blub blue blur bobb bobe bobi bobo bobu boee boel boeo boer boi- boie boii boil boiu bole boli boll bolo bolu boob booe bool boor bor- bore bori boro borr boru boue boul bour bove bovi bovo breb bree brei brel breo brer brev brie bril brio brob broe brol broo bror brou brrr brue bruv brvi bubb bube bubi bubo bubu buel buer bueu buie buir buiu bulb bule buli bull bulu buol bur- burb bure buri burl buro burr buru buve ebbo ebbr ebel eber ebli eboe ebol eboo ebor ebro ebru ebul ebur eeee eele eelv eero eiei eier eile eiou eire el-b elbe elbi elbo elbu elee eleo eler elev elie elil elio elle elli ello ellu eloi elro elue elui elul elve elvo eoir eole eoli eolo eore eori eorl erbb erbe ereb erei erel erer erev erie eril erio eriu erle erli erll erob eroe eroi erol eroo erre erro erub erur eruv erve ervi eubi euer eule euoi eur- eure euro evel ever evie evil evir evli evoe evol evoo evre i-be ibie ible ibri ibro ieie ieio iele iere ieri iiie iiii iiio iioi iioo ile- ileo iler ilie ilio ilir ill- ille illi illo iloo ilre iluv iobi ioee ioel ioii ioio iole iolo iooi iooo iore iori irbe iree irel irer iri- irie iril irio irlb irob irov irre irri irul iuel iuiu ivbv ivel iver ivie ivor ivre ivue lblr le-u lebo lebu leel leer leib leie leil leio leir leiv lele leli lell lelo lelu leoi leor leou leov lere lero leur lev- leve levi levo libe libo libr libu lieb liel lier lieu liev liii liir liiv lilb lile lili lill lilo lilu lio- lior lire liri lirl liro lirr liru liue live livi livo lleu llll lloo lo-v lob- lobb lobe lobi lobo loeb loei loeu loir loiu lole loli loll lolo loob looe lool loor lore lori loro loue loui loul lour louu love lovo lroi lrrr lube luer lule luli lull lulu lure luri lurv luve lvii lviv lvov lvrr o-eo obbo obel ober obie oble oblu oboe oboi obol obor obre obri obro obvi oeil oele oere oier oiii oire olbo ole- olei oleo oler olev olib olie olio olle olli ollo olor olov olur olvi oobe oobi ooer oolo oooo oore orbb orbe orbi orbo orbu ore- oreb orel oreo orer ori- orie oril orio orle orlo orlu oro- oroe oror orri orro orub orve orvr ouer ouie ouii ouir oule oulu our- oure ouro ouu- ovee over ovi- ovie ovil ovo- ovol ovoo ovre rbbb rbbr rble rebb rebe rebo rebu reeb reel reev reii reil reir reiu relb rele rell relo reol reou rere reri rero reru reue reul reuu reve revi revo rib- ribe ribo ribu riel rier rieu