-er -ol b-u bbb bbe bbi bbl bbo bbr bbt bbu be- beb bee bei bel beo ber bet beu bi- bib bie bii bil bio bir bit biu blb ble bli bll blo blr blt blu bob boe boi bol boo bor bot bou brb bre bri brl bro brr brt bru btb bte bti btl bto btr btt btu bub bue bui bul buo bur but buu ebb ebe ebi ebl ebo ebr ebt ebu eeb eee eel eeo eer eet eib eie eii eil eio eir eit eiu elb ele eli ell elo elr elt elu eo- eob eoe eoi eol eoo eor eot eou erb ere eri erl ero err ert eru etb ete eti etl eto etr ett etu eu- eub eue eui eul eur eut ibb ibe ibi ibl ibo ibr ibt ibu ie- iee iei iel ier iet iib iie iii iil iio iir iit iiu il- ilb ile ili ill ilo ilr ilt ilu io- iob ioe ioi iol ioo ior iot iou ir- irb ire iri irl iro irr irt iru itb ite iti itl ito itt itu iu- iub iue iui iur iut lbb lbe lbi lbl lbo lbr lbt lbu leb lee lei lel leo ler let leu lib lie lii lil lio lir lit liu llb lle lli lll llo llr llt llu lob loe loi lol loo lor lot lou lrb lri lro lrr lrt lru ltb lte lti ltl lto ltr ltt ltu lub lue lui lul luo lur lut luu o-i ob- obb obe obi obl obo obr obt obu oeb oee oei oel oeo oer oet oib oie oii oil oio oir oit oiu olb ole oli oll olo olt olu oo- oob ooi ool ooo oor oot or- orb ore ori orl oro orr ort oru ot- otb ote oti otl oto otr ott otu ou- oue oui oul ouo our out rbb rbe rbi rbl rbo rbr rbt rbu re- reb ree rei rel reo rer ret reu rib rie rii ril rio rir rit rle rli rll rlo rlr rlt rlu rob roe roi rol roo ror rot rou rrb rri rrl rrr rrt rru rtb rte rti rtl rto rtr rtt rtu rub rue rui ruo rur rut ruu tbb tbe tbi tbl tbo tbr tbt tbu te- teb tee tei tel teo ter tet teu tib tie tii til tio tir tit tiu tle tli tll tlo tlr tlt tlu to- tob toe toi tol too tor tot tou trb tre tri trl tro trr trt tru ttb tte tti ttl tto ttr ttt ttu tub tue tui tul tuo tur tut tuu ubb ube ubi ubl ubo ubr ubt ubu ueb uee uei uel uer uet uib uie uii uil uio uir uit uiu ulb ule uli ull ulo ulr ult ulu uob uoe uol uoo uor uot ur- urb ure uri url uro urr urt uru utb ute uti utl uto utr utt utu uue uur uut uuu

bbbb bbeb bbet bblb bebb bebe bebi bebo beeb beel beer beet beil beir beit bele beli bell belo belt belu beo- beor beot bere beri bero berr bert beru bete beti beto bett betu beur bibb bibe bibi bibl bibo bieb biel bier biet bieu bile bili bill bilo bilt bilu bio- bioi biol biot biou birb bire biri birl biro birr birt biru bite bito bitt bitu blbt bleb blee blei bleo blet bleu blio blir blit blob bloo blot blou blub blue blur blut bobb bobe bobi bobo bobu boee boel boeo boer boet boi- boie boii boil boit boiu bole boli boll bolo bolt bolu boob booe bool boor boot bor- bore bori boro borr bort boru botb bote boti boto bott boue boul bour bout breb bree brei brel breo brer bret brie bril brio brit brob broe brol broo bror brot brou brrr brue brut btie btob btor btrt bttb bubb bube bubi bubo bubu buel buer bueu buie buir buit buiu bulb bule buli bull bult bulu buol bur- burb bure buri burl buro burr burt buru but- bute buti buto butt ebbo ebbr ebel eber ebit ebli eboe ebol eboo ebor ebro ebru ebul ebur eeee eele eero eete eetu eiei eier eile eiou eire eitb eiti eito eitr el-b elbe elbi elbo elbu elee eleo eler elet elie elil elio elit elle elli ello ellu eloi elro elte elto elue elui elul eoir eole eoli eolo eore eori eorl eoto erbb erbe ereb erei erel erer eret erie eril erio erit eriu erle erli erll erob eroe eroi erol eroo erre erro ertl ertu erub erur etbr etee etel eter etio etoe etre etro ette etti etto ettu etui eubi euer eule euoi eur- eure euro eurt i-be ibet ibie ible ibot ibri ibro ibtb ibtl ieet ieie ieio iele iere ieri iett iiie iiii iiio iiit iioi iioo iitr iitt ile- ileo iler ilet ilie ilio ilir ilit ill- ille illi illo illt iloo ilot ilre ilut iobi ioee ioel ioii ioio ioit iole iolo iooi iooo iore iori iote ioto irbe iree irel irer iri- irie iril irio irlb irob irre irri irte irti irul itbe itel iter itet itie itil itll itoi itol itoo itor itou itri itto itur iuel iuiu lblr lbrt le-u lebo lebu leel leer leet leib leie leil leio leir leit lele leli lell lelo lelu leoi leor leou lere lero lert lete leti leto lett leur libe libo libr libu lieb liel lier liet lieu liii liir lilb lile lili lill lilo lilt lilu lio- lior lire liri lirl liro lirr lirt liru litb lite liti litl lito litr litt litu liue liut llet lleu llll lloo lob- lobb lobe lobi lobo loeb loei loeu loir loit loiu lole loli loll lolo loob looe lool loor loot lore lori loro lote loti lotl loto lotr lott loue loui loul lour lout louu lroi lrrr ltbl ltee ltib lttr lube luer luit lule