-er -ol bbb bbe bbf bbi bbl bbo bbr bbt bbx be- beb bee bef bei bel beo ber bet bex bfb bfe bff bfi bfl bfo bfr bft bfx bi- bib bie bif bii bil bio bir bit bix blb ble blf bli bll blo blr blt blx bob boe bof boi bol boo bor bot box brb bre brf bri brl bro brr brt brx btb bte btf bti btl bto btr btt btx bxb bxi bxl bxo bxx ebb ebe ebf ebi ebl ebo ebr ebt ebx eeb eee eef eel eeo eer eet eex ef- efb efe eff efi efl efo efr eft efx eib eie eif eii eil eio eir eit eix elb ele elf eli ell elo elr elt elx eo- eob eoe eof eoi eol eoo eor eot erb ere erf eri erl ero err ert etb ete etf eti etl eto etr ett etx ex- exe exi exl exo exr ext exx fbb fbe fbf fbi fbl fbo fbr fbt fbx feb fee fef fei fel feo fer fet fex ffe fff ffi ffl ffo ffr fft ffx fib fie fif fii fil fir fit fix flb fle flf fli fll flo flr flt flx fob foe fof foi fol foo for fot fox frb fre frf fri frl fro frr frt ftb fte ftf fti ftl fto ftr ftt ftx fxe fxi fxr fxt fxx i-f ibb ibe ibf ibi ibl ibo ibr ibt ibx ie- iee ief iei iel ier iet iex ifb ife iff ifi ifl ifo ifr ift ifx iib iie iif iii iil iio iir iit iix il- ilb ile ilf ili ill ilo ilr ilt ilx io- iob ioe iof ioi iol ioo ior iot ir- irb ire irf iri irl iro irr irt irx itb ite itf iti itl ito itt itx ixe ixi ixl lbb lbe lbf lbi lbl lbo lbr lbt lbx leb lee lef lei lel leo ler let lex lfb lfe lff lfi lfl lfo lfr lft lfx lib lie lif lii lil lio lir lit lix llb lle llf lli lll llo llr llt lob loe lof loi lol loo lor lot lox lrb lrf lri lro lrr lrt ltb lte ltf lti ltl lto ltr ltt ltx lxi lxo lxr lxx o-i ob- obb obe obf obi obl obo obr obt obx oeb oee oef oei oel oeo oer oet oex of- ofb ofe off ofi ofl ofo ofr oft ofx oib oie oif oii oil oio oir oit olb ole olf oli oll olo olt oo- oob oof ooi ool ooo oor oot oox or- orb ore orf ori orl oro orr ort orx ot- otb ote otf oti otl oto otr ott ox- oxb oxf oxi oxo oxt oxx rbb rbe rbf rbi rbl rbo rbr rbt rbx re- reb ree ref rei rel reo rer ret rex rfb rfe rff rfi rfl rfo rfr rft rib rie rif rii ril rio rir rit rix rle rlf rli rll rlo rlr rlt rob roe rof roi rol roo ror rot rox rrb rrf rri rrl rrr rrt rtb rte rtf rti rtl rto rtr rtt rtx rxr t-x tbb tbe tbf tbi tbl tbo tbr tbt te- teb tee tef tei tel teo ter tet tex tfb tfe tff tfi tfl tfo tfr tft tfx tib tie tif tii til tio tir tit tix tle tlf tli tll tlo tlr tlt tlx to- tob toe tof toi tol too tor tot tox trb tre trf tri trl tro trr trt trx ttb tte ttf tti ttl tto ttr ttt ttx txe txf txi txl txt xbe xbl xbr xbx xee xel xer xet xex xfe xfl xft xfx xie xii xio xit xix xlb xlf xli xlr xlt xof xoi xoo xor xot xox xrf xrt xrx xtf xti xtr xtx xxi xxl xxo xxx

bbbb bbeb bbet bblb bbox bebb bebe bebi bebo beeb beef beel beer beet befe beff befo beft beil beir beit bele beli bell belo belt beo- beof beor beot bere beri bero berr bert bete beti beto bett bffl bftt bibb bibe bibi bibl bibo bieb bief biel bier biet biff bifi bile bili bill bilo bilt bio- bioi biol biot biox birb bire biri birl biro birr birt birx bite bito bitt bitx bixi blbt bleb blee blei bleo blet blio blir blit blix blob bloo blot bobb bobe bobi bobo boee boef boel boeo boer boet bofe boff boi- boie boii boil boit bole boli boll bolo bolt boob booe boof bool boor boot boox bor- bore borf bori boro borr bort botb bote boti boto bott breb bree bref brei brel breo brer bret brex brie bril brio brit brix brob broe brol broo bror brot brox brrr btex btie btob btor btrt bttb ebbo ebbr ebel eber ebit ebix ebli eboe ebol eboo ebor ebox ebro eeee eefe eefl eele eero eete eext efbr efeo efet effi efil efit efor eft- eiei eier eile eire eitb eiti eito eitr el-b elbe elbi elbo elee elef eleo eler elet elex elfe elfi elft elie elif elil elio elit elix elle elli ello eloi elro elte elto eoir eole eoli eolo eore eori eorl eoto er-x erbb erbe ereb erei erel erer eret erft erfx erie eril erio erit erle erli erll erob eroe eroi erol eroo erre erro ertl etbr etee etel eter etfb etfe etio etix etoe etox etre etro ette etti etto exel exer exfo exif exit exo- exor exrx exte extl extr fble febo feeb feel feer feet fefe feff fefi fefo feie feil feio feir feit fele felf feli fell felo felt feof ferb fere fero ferr fert fete feti fetr fett fext ffee ffff ffii ffrr fftf fibe fief fiel fier fife fiff fifi fifo fift fiii fiil file fili fill filo fioe fior fire fite fiti fitt fixe fixt fixx flee fler flet flex flii flit flix flob floe floo flor flot