-er -ol bbb bbe bbi bbk bbl bbo bbr bbt be- beb bee bei bek bel beo ber bet bi- bib bie bii bik bil bio bir bit bkb bke bkk bkl bko bkr bkt blb ble bli blk bll blo blr blt bob boe boi bok bol boo bor bot brb bre bri brk brl bro brr brt btb bte bti btk btl bto btr btt ebb ebe ebi ebk ebl ebo ebr ebt eeb eee eek eel eeo eer eet eib eie eii eik eil eio eir eit ekb eke eki ekl eko ekr ekt elb ele eli elk ell elo elr elt eo- eob eoe eoi eok eol eoo eor eot erb ere eri erk erl ero err ert etb ete eti etk etl eto etr ett ibb ibe ibi ibk ibl ibo ibr ibt ie- iee iei iek iel ier iet iib iie iii iil iio iir iit ikb ike iki ikk ikl iko ikr ikt il- ilb ile ili ilk ill ilo ilr ilt io- iob ioe ioi iol ioo ior iot ir- irb ire iri irk irl iro irr irt itb ite iti itk itl ito itt k-t kbb kbe kbi kbk kbl kbo kbr ke- keb kee kei kek kel keo ker ket kib kie kii kik kil kio kir kit kkb kke kki kkk kkl kkr kkt kl- klb kli klo klr klt kob koe koi kok kol koo kor kot kri krk krl kro krr krt ktb kte ktk ktl kto ktr ktt lbb lbe lbi lbk lbl lbo lbr lbt leb lee lei lek lel leo ler let lib lie lii lik lil lio lir lit lkb lkl lkr lkt llb lle lli llk lll llo llr llt lob loe loi lok lol loo lor lot lrb lri lrk lro lrr lrt ltb lte lti ltk ltl lto ltr ltt o-i ob- obb obe obi obk obl obo obr obt oeb oee oei oel oeo oer oet oib oie oii oik oil oio oir oit okb oke oki okk okl oko okr olb ole oli olk oll olo olt oo- oob ooi ook ool ooo oor oot or- orb ore ori ork orl oro orr ort ot- otb ote oti otk otl oto otr ott rbb rbe rbi rbk rbl rbo rbr rbt re- reb ree rei rek rel reo rer ret rib rie rii rik ril rio rir rit rkb rke rkk rko rkt rle rli rll rlo rlr rlt rob roe roi rok rol roo ror rot rrb rri rrk rrl rrr rrt rtb rte rti rtk rtl rto rtr rtt tbb tbe tbi tbk tbl tbo tbr tbt te- teb tee tei tek tel teo ter tet tib tie tii tik til tio tir tit tkb tke tkk tkl tko tkr tkt tle tli tlk tll tlo tlr tlt to- tob toe toi tok tol too tor tot trb tre tri trk trl tro trr trt ttb tte tti ttk ttl tto ttr ttt

bbbb bbeb bbet bblb bebb bebe bebi bebo beeb beek beel beer beet beik beil beir beit beke beki beko bele beli belk bell belo belt beo- beok beor beot bere beri berk bero berr bert bete beti beto bett bibb bibe bibi bibl bibo bieb biel bier biet bike biko bile bili bilk bill bilo bilt bio- bioi biol biot birb bire biri birk birl biro birr birt bite bito bitt blbt bleb blee blei blek bleo blet blik blio blir blit blkb blob blok bloo blot bobb bobe bobi bobo boee boel boeo boer boet boi- boie boii boil boit boke boki boko bole boli bolk boll bolo bolt boob booe book bool boor boot bor- bore bori bork boro borr bort botb bote boti boto bott breb bree brei brek brel breo brer bret brie brik bril brio brit brkb brob broe brok brol broo bror brot brrr btek btie btob btor btrt bttb ebbo ebbr ebel eber ebit ebli eboe ebol eboo ebor ebro eeee eeke eele eero eete eiei eier eike eiki eiko eile eire eitb eiti eito eitr ekeb ekek eker eket ekki ekoi el-b elbe elbi elbo elee elek eleo eler elet elie elik elil elio elit elke elki elko elle elli ello eloi elok elro elte elto eoir eole eoli eolo eore eori eorl eoto erbb erbe ereb erei erel erer eret erie erik eril erio erit erke erki erle erli erll erob eroe eroi erol eroo erre erro ertl etbr etee etel eter etik etio etoe etok 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 ikee iker ikki ikko ikoo ikri ile- ilek ileo iler ilet ilie ilio ilir ilit ilke ilki ill- ille illi illo illt ilok iloo ilot ilre iobi ioee ioel ioii ioio ioit ioke ioko iole iolo iooi iooo iore iori iote ioto irbe iree irel irer iri- irie iril irio irki irlb irob irre irri irte irti itbe itek itel iter itet itie itil itko itll itoi itol itoo itor itri itto k-lo kbbb kbbe kbbi kbbk kbbl kbbo kbbr kbbt kbeb kbee kbek kbel kbeo kber kbet kbib kbie kbik kbil kbio kbit kbkb kbkk kbkl kbko kbkr kblb kble kbll kblo kblr kblt kbob kboe kboi kbok kboo kbot kbrb kbre kbri kbrk kbrl kbro kbrt kbtb kbte kbtk kbtl kbto kbtr kbtt kebb kebe kebi kebr kebt keek keel keer keet keib keii keik keil keio keir kekb keke keki kekl keko kele keli kelk kell kelo kelt keok keol ker- kerb kere keri kerk kerl kero kerr kert ket- kete keti ketk keto ketr kett kibb kibe kibi kibl kibo kibr kibt kiel kier kiii kiik kiit kiki kikk kiko kikr kikt kilb kile kili kilk kill kilo kilr kilt kioe kioi kiok kiol kioo kiot kirb kiri kirk kiro kirr kirt kite kiti kitl kito kitr kitt kkbb kkbe kkbi kkbl kkbo kkbr