-er -ic b-u bbb bbc bbe bbi bbo bbr bbu bcb bcc bce bci bco bcr bcu bcv bcz be- beb bec bee bei beo ber beu bev bez bi- bib bic bie bii bio bir biu biv biz bob boc boe boi boo bor bou bov boz brb bre bri bro brr bru brv brz bub buc bue bui buo bur buu buz bvb bvc bve bvi bvo bvr bvu bvv bze bzo bzr bzu bzz c-- cbb cbc cbe cbi cbo cbr cbu cbv cbz ccb ccc cce cci cco ccr ccu ccv ccz ce- ceb cec cee cei ceo cer ceu cev cez ci- cib cic cie cii cio cir ciu civ co- cob coc coe coi coo cor cou cov coz crb crc cre cri cro crr cru crv crz cub cuc cue cui cuo cur cuu cuv cuz cvb cvc cve cvi cvo cvr cvu cvv cvz cz- czc cze czo ebb ebc ebe ebi ebo ebr ebu ebv ec- ecb ecc ece eci eco ecr ecu ecv eeb eec eee eeo eer eev eib eic eie eii eio eir eiu eiv eo- eob eoc eoe eoi eoo eor eou erb erc ere eri ero err eru erv erz eu- eub euc eue eui eur euv evb evc eve evi evo evr evv eze ezo ezr ezz i-v ibb ibc ibe ibi ibo ibr ibu ibv ibz icb icc ice ici ico icr icu icv icz ie- iec iee iei ier iev iib iic iie iii iio iir iiu io- iob ioc ioe ioi ioo ior iou iov ir- irb irc ire iri iro irr iru irv iu- iub iuc iue iui iur iuz ivb ivc ive ivi ivo ivr ivu ivv ize izi izo izu izz o-i ob- obb obc obe obi obo obr obu obv oc- ocb occ oci oco ocr ocu ocv ocz oeb oec oee oei oeo oer oib oic oie oii oio oir oiu oiv oiz oo- oob ooc ooi ooo oor oov or- orb orc ore ori oro orr oru orv orz ou- ouc oue oui ouo our ov- ovb ovc ove ovi ovo ovv oze ozo ozu ozz rbb rbc rbe rbi rbo rbr rbu rcb rcc rce rci rco rcr rcu rcv re- reb rec ree rei reo rer reu rev rez rib ric rie rii rio rir riv riz rob roc roe roi roo ror rou rov roz rrb rrc rri rrr rru rub ruc rue rui ruo rur ruu ruv ruz rvb rvc rve rvi rvo rvr rvu rvv rzb rze rzo ubb ubc ube ubi ubo ubr ubu ubv ucb ucc uce uci uco ucr ucu ucv ueb uec uee uei uer uib uic uie uii uio uir uiu uob uoc uoe uoo uor ur- urb urc ure uri uro urr uru urz uuc uue uur uuu uvb uvc uve uvo uvu uvv uzb uzi uzo uzu v-e vbc vbi vbo vbr vbv vbz vcc vce vci vco vcr vcu veb vec vee vei veo ver veu vez vi- vib vic vie vii vio vir viu viv viz vob voc voe voi voo vor vou vov voz vrb vrc vre vri vrr vru vue vur vuv vuz vvb vvc vvi vvo vvr vvv vvz zbb zbc zbr zbv zce zco zeb zec zee zeo zer zev zez zib zie zio zir ziv ziz zo- zob zoc zoe zoi zoo zor zou zro zub zuc zui zur zuz zvi zzr zzz

bbbb bbci bbeb bbrc bcbc bccc bcci bcec bcer bcie bcor bcoz bcru bcuc bcvo bebb bebe bebi bebo beci becu beeb beer beic beir beo- beor berc bere beri bero berr beru beur bevo bevz beze bezi bezu bibb bibe bibi bibo bicc bice bici bico bieb bier bieu bio- bioc bioi biou birb bire biri biro birr biru bive bivi bize bizu bizz bobb bobe bobi bobo bobu boce boco bocu boec boee boeo boer boi- boie boii boiu boob booc booe boor booz bor- bore bori boro borr boru borz boue bour bove bovi bovo bozi bozo brcb brce breb brec bree brei breo brer brev brez bric brie brio briz brob broc broe broo bror brou broz brrr bruc brue bruv bruz brvi bubb bube bubi bubo bubu bucc buce buci buco bucu bucz buer bueu buic buie buir buiu bur- burb bure buri buro burr buru burz buuz buve buze buzi buzz bzer bzie bziv bzoe bzou bzzz c-bo cbbc cbcc cbce cbcr cbcu cbec cbee cber cbir cbre cbvb cbve cbvr ccbc cccb cccc ccci cccu cccv ccee ccic ccii ccir cciv ccob ccoc ccrc ccre ccri ccuc ccvi ccvo cebu cec- cece ceci ceco ceeb ceec ceor ceou cer- cerc cere ceri cero ceui cevo ceze cibc cibe cibi cibo cicc cici cico cicr cicu ciee cier ciez ciii ciob cior cirb circ cire ciri ciro cirr ciuc civc cive civo cize cobb cobe cobi cobo cobu coce coco cocu coir coob cor- corb corc core cori coro corr coub coue cour cove covo coze cozi cozz crbc crbu crcc crce crcr crcz cre- creb crec cree crei creo creu crib cric crie criu crob croc croe croo cror croz crub crue cruz cub- cubb cube cubi cucc cuce cuci cuer cui- cuir curb cure curi curo curr cuve cuzo cvcc cver cvii cvrr ebbc ebbo ebbr ebcc eber ebic eboe eboo ebor ebro ebru ebur ecbc ecbe eccb eccc ecce ecci ecco ecib eco- ecou ecrc ecri ecrr ecru ecrv eeee eeoc eerc eero eeze eico eiec eiei eier eiou eire eizo eoir eore eori erbb erbe ercc erce ereb erec erei erer erev erez eric erie erio eriu eriz erob eroc eroe eroi eroo errc erre erro erub eruc erur eruv erve ervi erzi eubc eubi euer euoi eur- eurc eure euro ever evie evir evoe evoo evre ezer ezio ezov ezri ezuz ezzo i-be ibec ibie ibrc ibri ibro icbc iccb iccc icci icco iccr iccu icec icee icer icoc icor icrc icre icrr