-er -ic b-u bbb bbc bbe bbi bbr bbt bbu bcb bcc bce bci bcr bct bcu bcv be- beb bec bee bei ber bet beu bev bi- bib bic bie bii bir bit biu biv brb bre bri brr brt bru brv btb btc bte bti btr btt btu btv bub buc bue bui bur but buu bvb bvc bve bvi bvr bvt bvu bvv c-- cbb cbc cbe cbi cbr cbt cbu cbv ccb ccc cce cci ccr cct ccu ccv ce- ceb cec cee cei cer cet ceu cev ci- cib cic cie cii cir cit ciu civ crb crc cre cri crr crt cru crv ctb ctc cte cti ctr ctt ctu ctv cub cuc cue cui cur cut cuu cuv cvb cvc cve cvi cvr cvt cvu cvv ebb ebc ebe ebi ebr ebt ebu ebv ec- ecb ecc ece eci ecr ect ecu ecv eeb eec eee eer eet eev eib eic eie eii eir eit eiu eiv erb erc ere eri err ert eru erv etb etc ete eti etr ett etu etv eu- eub euc eue eui eur eut euv evb evc eve evi evr evt evv i-v ibb ibc ibe ibi ibr ibt ibu ibv icb icc ice ici icr ict icu icv ie- iec iee iei ier iet iev iib iic iie iii iir iit iiu ir- irb irc ire iri irr irt iru irv itb itc ite iti itt itu itv iu- iub iuc iue iui iur iut ivb ivc ive ivi ivr ivt ivu ivv rbb rbc rbe rbi rbr rbt rbu rcb rcc rce rci rcr rct rcu rcv re- reb rec ree rei rer ret reu rev rib ric rie rii rir rit riv rrb rrc rri rrr rrt rru rtb rtc rte rti rtr rtt rtu rtv rub ruc rue rui rur rut ruu ruv rvb rvc rve rvi rvr rvt rvu rvv tbb tbc tbe tbi tbr tbt tbu tbv tcb tcc tce tci tcr tct tcu tcv te- teb tec tee tei ter tet teu tev tib tic tie tii tir tit tiu tiv trb trc tre tri trr trt tru trv ttb ttc tte tti ttr ttt ttu ttv tub tuc tue tui tur tut tuu tuv tvb tvc tve tvi tvr tvt tvu ubb ubc ube ubi ubr ubt ubu ubv ucb ucc uce uci ucr uct ucu ucv ueb uec uee uei uer uet uib uic uie uii uir uit uiu ur- urb urc ure uri urr urt uru utb utc ute uti utr utt utu utv uuc uue uur uut uuu uvb uvc uve uvu uvv v-e vbc vbi vbr vbv vcc vce vci vcr vct vcu veb vec vee vei ver vet veu vi- vib vic vie vii vir vit viu viv vrb vrc vre vri vrr vrt vru vtb vtc vte vti vtr vtt vtu vtv vue vur vut vuv vvb vvc vvi vvr vvt vvv

bbbb bbci bbeb bbet bbrc bcbc bccc bcci bcec bcer bcet bcie bcit bcru bctc bcuc bebb bebe bebi beci becu beeb beer beet beic beir beit berc bere beri berr bert beru betc bete beti bett betu betv beur bibb bibe bibi bicc bice bici bieb bier biet bieu birb bire biri birr birt biru bitc bite bitt bitu bive bivi brcb brce breb brec bree brei brer bret brev bric brie brit brrr brtc bruc brue brut bruv brvi btcc btec btie btrc btrt bttb btvi bubb bube bubi bubu bucc buce buci bucu buer bueu buic buie buir buit buiu bur- burb bure buri burr burt buru but- bute buti butt buve cbbc cbcc cbce cbcr cbct cbcu cbec cbee cber cbet cbir cbit cbre cbrt cbtc cbtv cbvb cbve cbvr ccbc cccb cccc ccci cccu cccv ccee ccic ccii ccir cciv ccrc ccre ccri ccrt cctb cctc cctt cctv ccuc ccut ccvi cebu cec- cece ceci cect ceeb ceec cer- cerc cere ceri cert cet- cete ceti cetv ceui cibc cibe cibi cicc cici cicr cict cicu ciee cier ciii ciit cirb circ cire ciri cirr cirt citb cite citi citt citu citv ciuc civc cive crbc crbu crcc crce crcr cre- creb crec cree crei cret creu crib cric crie crit criu crrt crtc crtv crub crue crut ctbi ctec ctic ctrc ctvt cub- cubb cube cubi cucc cuce cuci cuer cui- cuir cuit curb cure curi curr curt cut- cutc cute cutt cutv cuve cvcc cver cvet cvii cvrr cvte ebbc ebbr ebcc eber ebic ebit ebru ebur ecbc ecbe eccb eccc ecce ecci ecct ecib ecit ecrc ecri ecrr ecru ecrv ect- ectc ectv eeee eerc eetc eete eetu eiec eiei eier eire eitb eitc eiti eitr erbb erbe ercc erce ereb erec erei erer eret erev eric erie erit eriu errc erre ertu erub eruc erur eruv erve ervi etbc etbr etcc etec etee eter etic etre ette etti ettu etui eubc eubi euer eur- eurc eure eurt ever evet evie evir evre i-be ibec ibet ibie ibrc ibri ibtb ibtc icbc iccb iccc icci iccr icct iccu icec icee icer icet icrc icre icrr icrt icru ictv icub icue iecc ieet ieie iere ieri iett ietv iiie iiii iiit iirc iitr iitt iiuc irbe ircc ircu iree irer iri- iric irie irrc irre irri irte irti itbe itec iter itet itic itie itri itur iucc iuce iucv iuiu ivbv ivec iver ivic ivie ivre ivue rbbb rbbr rcbc rccb rccc rcet rcic rctc rcti rctv rcuv rcvr rebb rebe rebu recc rece reci recr rect recu reeb reet reev reii reir reit reiu rere reri rert reru rete reti retr rett reue reut reuu reve revi rib- ribe ribu ricc rice rict rier riet rieu rire riri rite riti ritt ritu riue rive rrrr rtcc rtce rtee rtei rtve rtvi rubb rube rubi rubu ruce ruci ruct ruer ruet ruit rurc rure ruri ruru rute ruti rutt rutu ruve ruvi ruvu rv-c rver tbcb tbcc tbce tbit tbrb tbvi tccc tccu tctc