-er -ic bbb bbc bbe bbi bbo bbr bbt bbx bcb bcc bce bci bco bcr bct bcx be- beb bec bee bei beo ber bet bex bi- bib bic bie bii bio bir bit bix bob boc boe boi boo bor bot box brb bre bri bro brr brt brx btb btc bte bti bto btr btt btx bxb bxi bxo bxx c-- cbb cbc cbe cbi cbo cbr cbt cbx ccb ccc cce cci cco ccr cct ccx ce- ceb cec cee cei ceo cer cet cex ci- cib cic cie cii cio cir cit cix co- cob coc coe coi coo cor cot cox crb crc cre cri cro crr crt crx ctb ctc cte cti cto ctr ctt ctx cxc cxi cxo cxr cxt cxx ebb ebc ebe ebi ebo ebr ebt ebx ec- ecb ecc ece eci eco ecr ect ecx eeb eec eee eeo eer eet eex eib eic eie eii eio eir eit eix eo- eob eoc eoe eoi eoo eor eot erb erc ere eri ero err ert etb etc ete eti eto etr ett etx ex- exc exe exi exo exr ext exx ibb ibc ibe ibi ibo ibr ibt ibx icb icc ice ici ico icr ict ie- iec iee iei ier iet iex iib iic iie iii iio iir iit iix io- iob ioc ioe ioi ioo ior iot ir- irb irc ire iri iro irr irt irx itb itc ite iti ito itt itx ixc ixe ixi o-i ob- obb obc obe obi obo obr obt obx oc- ocb occ oci oco ocr oct ocx oeb oec oee oei oeo oer oet oex oib oic oie oii oio oir oit oo- oob ooc ooi ooo oor oot oox or- orb orc ore ori oro orr ort orx ot- otb otc ote oti oto otr ott ox- oxb oxc oxi oxo oxt oxx rbb rbc rbe rbi rbo rbr rbt rbx rcb rcc rce rci rco rcr rct rcx re- reb rec ree rei reo rer ret rex rib ric rie rii rio rir rit rix rob roc roe roi roo ror rot rox rrb rrc rri rrr rrt rtb rtc rte rti rto rtr rtt rtx rxr t-x tbb tbc tbe tbi tbo tbr tbt tcb tcc tce tci tco tcr tct tcx te- teb tec tee tei teo ter tet tex tib tic tie tii tio tir tit tix to- tob toc toe toi too tor tot tox trb trc tre tri tro trr trt trx ttb ttc tte tti tto ttr ttt ttx txe txi txt xbc xbe xbr xbx xcb xci xcr xcx xee xer xet xex xic xie xii xio xit xix xoc xoi xoo xor xot xox xrc xrt xrx xtc xti xtr xtx xxi xxo xxx

bbbb bbci bbeb bbet bbox bbrc bcbc bccc bcci bcec bcer bcet bcie bcit bcor bctc bebb bebe bebi bebo beci beeb beer beet beic beir beit beo- beor beot berc bere beri bero berr bert betc bete beti beto bett bibb bibe bibi bibo bicc bice bici bico bieb bier biet bio- bioc bioi biot biox birb bire biri biro birr birt birx bitc bite bito bitt bitx bixi bobb bobe bobi bobo boce boco boec boee boeo boer boet boi- boie boii boit boob booc booe boor boot boox bor- bore bori boro borr bort botb bote boti boto bott brcb brce breb brec bree brei breo brer bret brex bric brie brio brit brix brob broc broe broo bror brot brox brrr brtc btcc btcx btec btex btie btob btor btrc btrt bttb c-bo cbbc cbcc cbce cbcr cbct cbec cbee cber cbet cbir cbit cbot cbox cbre cbrt cbtc ccbc cccb cccc ccci ccee ccic ccii ccir ccix ccob ccoc ccrc ccre ccri ccrt cctb cctc cctt ccxi cec- cece ceci ceco cect ceeb ceec ceor cer- cerc cere ceri cero cert cet- cete ceti ceto cexe cibc cibe cibi cibo cicc cici cico cicr cict ciee cier ciii ciit ciob cior cirb circ cire ciri ciro cirr cirt citb cite citi cito citt cixi cobb cobe cobi cobo coce coco coct coex coir coit coix coob coot cor- corb corc core cori coro corr cort cotb cotc cote coti coto cott coxe crbc crcc crce crcr cre- creb crec cree crei creo cret crex crib cric crie crit crob croc croe croo cror crot crrt crtc ctbi ctec ctic ctor ctot ctrc cxii cxix cxro cxxi cxxx ebbc ebbo ebbr ebcc eber ebic ebit ebix eboe eboo ebor ebox ebro ecbc ecbe eccb eccc ecce ecci ecco ecct ecib ecit eco- ecot ecrc ecri ecrr ect- ectc ecto eeee eeoc eerc eero eetc eete eext eico eiec eiei eier eire eitb eitc eiti eito eitr eoir eore eori eotc eoto er-x erbb erbe ercc erce ereb erec erei erer eret eric erie erio erit erob eroc eroe eroi eroo errc erre erro etbc etbr etcc etco etec etee eter etic etio etix etoe etox etre etro ette etti etto exco exec exer exit exo- exor exrx exte extr i-be ibec ibet ibex ibie ibot ibox ibrc ibri ibro ibtb ibtc icbc iccb iccc icci icco iccr icct icec icee icer icet icex icoc icor icrc icre icrr icrt iecc ieet ieie ieio iere ieri iett iiie iiii iiio iiit iioi iioo iirc iitr iitt iobi ioci ioee ioii ioio ioit iooi iooo iore iori iote ioto irbe ircc ircx iree irer irex iri- iric irie irio irix irob iroc irrc irre irri irte irti itbe itec iter itet itex itic itie itoi itoo itor itri itto ixxi o-eo obbo obec ober obet obex obie obit obix oboe oboi obor obot obox obre obri obro ocbc occc occi occt oce ocee ocet ocre ocro ocrr oct- octe octi octo oec- oecc oeec oere oeti oici oier oiii oire oirt oitc oiti oobe oobi oocr ooer oooo oore oort ootb orbb orbe orbi orbo orce orci orco ore- oreb orec oreo orer orex