-er bbb bbe bbi bbm bbo bbr bbt bbx be- beb bee bei bem beo ber bet bex bi- bib bie bii bim bio bir bit bix bmb bme bmi bmm bmo bmr bmt bmx bob boe boi bom boo bor bot box brb bre bri brm bro brr brt brx btb bte bti btm bto btr btt btx bxb bxi bxm bxo bxx ebb ebe ebi ebm ebo ebr ebt ebx eeb eee eem eeo eer eet eex eib eie eii eim eio eir eit eix em- emb eme emi emm emo emr emt emx eo- eob eoe eoi eom eoo eor eot erb ere eri erm ero err ert etb ete eti etm eto etr ett etx ex- exe exi exo exr ext exx ibb ibe ibi ibm ibo ibr ibt ibx ie- iee iei iem ier iet iex iib iie iii iim iio iir iit iix im- imb ime imi imm imo imt imx io- iob ioe ioi iom ioo ior iot ir- irb ire iri irm iro irr irt irx itb ite iti itm ito itt itx ixe ixi m-o m-r mbb mbe mbi mbm mbo mbr mbt mbx meb mee mei mem meo mer met mex mi- mib mie mii mim mio mir mit mix mmb mme mmi mmm mmo mmr mmt mmx mob moe moi mom moo mor mot mox mrb mre mri mrm mro mrr mrt mrx mtb mte mti mtm mto mtr mtt mtx mxi mxr o-i ob- obb obe obi obm obo obr obt obx oeb oee oei oem oeo oer oet oex oib oie oii oim oio oir oit om- omb ome omi omm omo omr omt omx oo- oob ooi oom ooo oor oot oox or- orb ore ori orm oro orr ort orx ot- otb ote oti otm oto otr ott ox- oxb oxi oxo oxt oxx rbb rbe rbi rbm rbo rbr rbt rbx re- reb ree rei rem reo rer ret rex rib rie rii rim rio rir rit rix rmb rme rmi rmm rmo rmr rmt rmx rob roe roi rom roo ror rot rox rrb rri rrm rrr rrt rtb rte rti rtm rto rtr rtt rtx rxr t-x tbb tbe tbi tbm tbo tbr tbt te- teb tee tei tem teo ter tet tex tib tie tii tim tio tir tit tix tmb tme tmi tmm tmo tmr tmt tmx to- tob toe toi tom too tor tot tox trb tre tri trm tro trr trt trx ttb tte tti ttm tto ttr ttt ttx txe txi txt xbe xbr xbx xee xem xer xet xex xie xii xio xit xix xmi xmm xmo xmr xmt xmx xoi xom xoo xor xot xox xrt xrx xti xtm xtr xtx xxi xxo xxx

bbbb bbeb bbet bbox bebb bebe bebi bebo beeb beem beer beet beim beir beit beme beo- beor beot bere beri berm bero berr bert bete beti beto bett bibb bibe bibi bibo bieb bier biet bimo bimx bio- bioi biot biox birb bire biri biro birr birt birx bite bito bitt bitx bixi bmir bmmi bobb bobe bobi bobo boee boeo boer boet boi- boie boii boim boit bomb bome bomi bomt boob booe boom boor boot boox bor- bore bori borm boro borr bort botb bote boti boto bott breb bree brei brem breo brer bret brex brie brim brio brit brix brob broe brom broo bror brot brox brrm brrr btex btie btob btor btrt bttb ebbo ebbr eber ebit ebix eboe eboo ebor ebox ebro eeee eemo eero eete eext eiei eier eime eimi eire eitb eiti eitm eito eitr embe embi embo embr emer emet emex emii emim emir emit emix emme emmi emor emre emte eoir eore eori eoto er-x erbb erbe ereb erei erem erer eret erie erim erio erit erme ermo erob eroe eroi eroo erre erro etbr etee etem eter etim etio etix etoe etox etre etrm etro ette etti etto exer exim exit exmr exo- exor exrx exte extr i-be ibbm ibet ibex ibie ibim ibmx ibot ibox ibri ibro ibtb ieet ieie ieio ieme iere ieri ietm iett iiie iiii iiio iiit iioi iioo iitm iitr iitt imbe imbi imer imet imir imit imix imme immi immo immt imre imri imro imrr imto iobi ioee ioii ioio ioit iome iomo iooi iooo iore iori iote ioto irbe irbm iree irem irer irex iri- irie irio irix irmo irob irre irri irte irti itbe item iter itet itex itie itim itme itmo itoi itoo itor itri itto ixxi mbim mbio mbox mebe mebo meem meer meet meir meit meme memo memr memx meor mer- merb mere meri merm mero mert met- mete meti meto mett mexx miee miem mier miet miii miio miit mim- mime mimi mimo mio- mire miri miro mirr mirt mit- mitb mite miti mitm mito mitt mitx mixe mixi mixt mixx mmii mmix mmmm mmor mmxi mmxx mobb mobe mobi mobo moet moex moii moio moir moit mome momi momo moob mooe moor moot morb more mori moro mort motb mote moti motm moto mott moxe moxi moxo mrbb mrbm mreb mree mrtm mrtt mtbo mtoe mtom mtor mtre mtrr mttr mxii mxim mxit mxxi o-eo obbo ober obet obex obie obit obix oboe oboi obor obot obox obre obri obro oeme oere oerm oeti oier oiii oimb oime oire oirt oiti ombe ombo omee omei omeo omer omet omex omie omim omio omit omo- omoe omoi omoo omor omox omre omri omro oobe oobi ooer oome oooo oore oort ootb orbb orbe orbi orbo ore- oreb orem oreo orer orex ori- orie orio orit orix orme ormo oro- oroe orom oror orot orri orro orte orto otee otem oter otit oto- otoe otoo otor otre otro otte otti otto oxer oxi- oxie oxim oxo- oxox oxxo rbbb rbbr rbmx rebb rebe rebo reeb reem reet reii reim reir reit reme remi remo reot rere reri rero rert rete reti reto retr rett rexx rib- ribe ribo