-er -ol bbb bbe bbi bbl bbo bbr bbt be- beb bee bei bel beo ber bet bi- bib bie bii bil bio bir bit blb ble bli bll blo blr blt bob boe boi bol boo bor bot brb bre bri brl bro brr brt btb bte bti btl bto btr btt ebb ebe ebi ebl ebo ebr ebt eeb eee eel eeo eer eet eib eie eii eil eio eir eit elb ele eli ell elo elr elt eo- eob eoe eoi eol eoo eor eot erb ere eri erl ero err ert etb ete eti etl eto etr ett ibb ibe ibi ibl ibo ibr ibt ie- iee iei iel ier iet iib iie iii iil iio iir iit il- ilb ile ili ill ilo ilr ilt io- iob ioe ioi iol ioo ior iot ir- irb ire iri irl iro irr irt itb ite iti itl ito itt lbb lbe lbi lbl lbo lbr lbt leb lee lei lel leo ler let lib lie lii lil lio lir lit llb lle lli lll llo llr llt lob loe loi lol loo lor lot lrb lri lro lrr lrt ltb lte lti ltl lto ltr ltt o-i ob- obb obe obi obl obo obr obt oeb oee oei oel oeo oer oet oib oie oii oil oio oir oit olb ole oli oll olo olt oo- oob ooi ool ooo oor oot or- orb ore ori orl oro orr ort ot- otb ote oti otl oto otr ott rbb rbe rbi rbl rbo rbr rbt re- reb ree rei rel reo rer ret rib rie rii ril rio rir rit rle rli rll rlo rlr rlt rob roe roi rol roo ror rot rrb rri rrl rrr rrt rtb rte rti rtl rto rtr rtt tbb tbe tbi tbl tbo tbr tbt te- teb tee tei tel teo ter tet tib tie tii til tio tir tit tle tli tll tlo tlr tlt to- tob toe toi tol too tor tot trb tre tri trl tro trr trt ttb tte tti ttl tto ttr ttt

bbbb bbeb bbet bblb bebb bebe bebi bebo beeb beel beer beet beil beir beit bele beli bell belo belt beo- beor beot bere beri bero berr bert bete beti beto bett bibb bibe bibi bibl bibo bieb biel bier biet bile bili bill bilo bilt bio- bioi biol biot birb bire biri birl biro birr birt bite bito bitt blbt bleb blee blei bleo blet blio blir blit blob bloo blot bobb bobe bobi bobo boee boel boeo boer boet boi- boie boii boil boit bole boli boll bolo bolt boob booe bool boor boot bor- bore bori boro borr bort botb bote boti boto bott breb bree brei brel breo brer bret brie bril brio brit brob broe brol broo bror brot brrr btie btob btor btrt bttb ebbo ebbr ebel eber ebit ebli eboe ebol eboo ebor ebro eeee eele eero eete eiei eier eile eire eitb eiti eito eitr el-b elbe elbi elbo elee eleo eler elet elie elil elio elit elle elli ello eloi elro elte elto eoir eole eoli eolo eore eori eorl eoto erbb erbe ereb erei erel erer eret erie eril erio erit erle erli erll erob eroe eroi erol eroo erre erro ertl etbr etee etel eter etio etoe etre etro ette etti etto 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 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 itbe itel iter itet itie itil itll itoi itol itoo itor itri itto lblr lbrt lebo leel leer leet leib leie leil leio leir leit lele leli lell lelo leoi leor lere lero lert lete leti leto lett libe libo libr lieb liel lier liet liii liir lilb lile lili lill lilo lilt lio- lior lire liri lirl liro lirr lirt litb lite liti litl lito litr litt llet llll lloo lob- lobb lobe lobi lobo loeb loei loir loit lole loli loll lolo loob looe lool loor loot lore lori loro lote loti lotl loto lotr lott lroi lrrr ltbl ltee ltib lttr o-eo obbo obel ober obet obie obit oble oboe oboi obol obor obot obre obri obro oeil oele oere oeti oier oiii oire oirt oiti olbo ole- olei oleo oler olet olib olie olio olit olle olli ollo olor olot oobe oobi ooer oolo oooo oore oort ootb orbb orbe orbi orbo ore- oreb orel oreo orer ori- orie oril orio orit orle orlo oro- oroe oror orot orri orro orte orto otee oter otit oto- otoe otoo otor otre otro otte otti otto rbbb rbbr rble rebb rebe rebo reeb reel reet reii reil reir reit relb rele rell relo relt reol reot rere reri rero rert rete reti reto retr rett rib- ribe ribo riel rier riet rile rill rilo riol riot rire riri rite riti ritl rito ritt rlee rob- robb robe robi robo robt roel roer roet roil roio roir roit role roll rolo rolt roob rooi rool roor root rore rori roro rort rote roti rotl roto rotr rott rrle rrrr rtee rtei rtle rtlt tbil tbit tbrb tebo teel teer teet teie teil teir tel- tele teli tell telo telt teor ter- tere teri tero terr tete teti teto tetr tett tibi tie- tiee tiei tiel tieo tier tiet tiit tile till tilo tilr tilt tirb tire tiri tirl tiro tirr tite titi tito titt tlli tobe tobi tobo tobt toee toei toer toet toie toil toit tol- tole toli toll tolo tolt tool toor toot tore tori toro torr tort tote toti toto totr tott tre- tree trei treo tret tri- trib trie tril trio trit troe troi troo trot