b-u bbb bbc bbd bbe bbm bbn bbt bbu bcb bcc bcd bce bcm bcn bct bcu bdb bdc bdd bde bdm bdt bdu be- beb bec bed bee bem ben bet beu bmb bmc bmd bme bmm bmn bmt bmu bnb bnc bnd bne bnn bnt bnu btb btc btd bte btm btn btt btu bub buc bud bue bum bun but buu c-- cbb cbc cbd cbe cbm cbn cbt cbu ccb ccc ccd cce ccm ccn cct ccu cdb cdc cdd cde cdm cdn cdt cdu ce- ceb cec ced cee cem cen cet ceu cmb cmc cmd cme cmm cmn cmt cmu cn- cnb cnc cnd cne cnm cnn cnt cnu ctb ctc ctd cte ctm ctn ctt ctu cub cuc cud cue cum cun cut cuu dbb dbc dbd dbe dbm dbn dbt dbu dcb dcc dcd dce dcm dcn dct dcu ddb ddc ddd dde ddm ddn ddt ddu de- deb dec ded dee dem den det deu dmb dmc dmd dme dmm dmn dmt dmu dnb dnc dnd dne dnm dnn dnt dtb dtc dtd dte dtm dtn dtt dtu dub duc dud due dum dun dut ebb ebc ebd ebe ebm ebn ebt ebu ec- ecb ecc ecd ece ecm ecn ect ecu ed- edb edc edd ede edm edn edt edu eeb eec eed eee eem een eet em- emb emc emd eme emm emn emt emu en- enb enc end ene enm enn ent enu etb etc etd ete etm etn ett etu eu- eub euc eud eue eun eut mbb mbc mbd mbe mbm mbt mbu mc- mcb mcc mcd mce mcm mcn mct mcu mdb mdc mdd mde mdm mdn mdt mdu meb mec med mee mem men met meu mmb mmc mmd mme mmm mmn mmt mmu mnb mnc mne mnm mnn mnt mnu mtb mtc mtd mte mtm mtn mtt mtu mub muc mud mue mum mun mut muu nbb nbc nbd nbe nbm nbn nbt nbu ncb ncc ncd nce ncm ncn nct ncu ndb ndc ndd nde ndm ndn ndt ndu ne- neb nec ned nee nem nen net neu nmb nmc nmd nme nmm nmn nmt nmu nnb nnc nne nnm nnn nnt nnu ntb ntc ntd nte ntm ntn ntt ntu nub nuc nud nue num nun nut nuu tbb tbc tbd tbe tbm tbn tbt tbu tcb tcc tcd tce tcm tcn tct tcu tdb tdc tdd tde tdm tdn tdt tdu te- teb tec ted tee tem ten tet teu tmb tmc tmd tme tmm tmn tmt tmu tnb tnc tnd tne tnm tnn tnt ttb ttc ttd tte ttm ttn ttt ttu tub tuc tud tue tum tun tut tuu ubb ubc ube ubn ubt ubu ucb ucc ucd uce ucm ucn uct ucu udb udc udd ude udm udn udt udu ueb uec ued uee uem uen uet um- umb umc umd ume umm umn umt umu un- unb unc und une unm unn unt unu utb utc utd ute utm utn utt utu uuc uue uum uun uut uuu

-ene bbbb bbcm bbdd bbeb bbet bcbc bccc bccm bcde bcec bcet bcnu bctc bcuc bdbc bddc bebb bebe becu bede bedu beeb beed beem been beet beme bemu bend bene benn bent benu betc bete bett betu bmce bmdb bmtc bnet bntm btcc btdt btec bten bttb bubb bube bubu bucc buce bucu budb budd bude budu buem buen bueu bum- bumb bunb bund bune bunn bunt bunu but- bute butt c-cd cbbc cbcc cbce cbcm cbcn cbct cbcu cbdb cbdc cbdn cbec cbee cbet cbme cbnd cbtc ccbc ccbn cccb cccc cccm cccu ccdc ccdm ccdn cced ccee ccmb ccmc ccmd ccmm ccnb ccnc ccne ccnm ccnu cctb cctc cctt ccuc ccut cd-e cddb cdec cdnb cdnc cebu cec- cece cecm cect cedd cede cedt cedu ceeb ceec ceem cemb ceme cemm cemu cen- cend cene cent cet- cete cmbc cmcc cmdb cmec cmmb cmmc cmmn cmtc cmtu cnbc cnbm cndd cnet cntc cntm cnut ctec cten ctne cttn cub- cubb cube cucc cuce cucm cucn cude cued cum- cume cumt cund cune cunt cut- cutc cute cutt dbcc dbtt dcbc dccb dccc dcct dccu dcdb dcmu dctc dctm dddd ddub debe debt debu dec- decc decd dece dect dedd dede dedu deeb deed deem deen deet dem- demb demd deme demn demu dene denn dent denu dete detn deue deum deut dmcc dmcm dmdc dmdt dmtn dnce dnet dntt dnut dtcc dted dten dtnb dub- dubb dubc dube dubu duce duct dudd dude dudu duet dumb dume dumm dunc dune dunn dunt dute duut ebbc ebcc ebed eben ecbc ecbe eccb eccc ecce eccm ecct ecdc eced ecem ecne ect- ectc eddc edde eddm ede- edem eden edme educ edun eede eedu eeee eend eent eetc eete eetu embd embe emcc emcn emdt emen emet emeu emme emmu emne emte enb- enbn ence end- ende endu ened enee enem ennc enne ennu ent- entd ente enue enum enut etbc etcc etec etee etem eten etne ette ettn ettu etun eubc eucd eude eudm eumc mbdb mbed mcbc mccc mccd mcdc mcdd mcde mced mcmc mcmt mctc mctu mdcc mddm mden mdmc mdme mdnt mdud mebe mec- mecc mecd mece medb medd mede medu meed meem meen meet memc meme memu men- menc mend mene menn ment menu met- mete mett metu meum mmcc mmcd mmcm mmct mmdb mmdc mmen mmmc mmmd mmmm mmun mnbb mnem mnet mntb mntn mtbc mtbd mtnt mtuc mube muc- mucc muce mucu mudd mude mudu mued muee muet mume mumm mumu munc mund mune munn munt munu mute mutt mutu muut nbbc nbcc ncbc nccc nccn ncct nccu ncdc ncdn ncdu ncec nced ncee ncem ncen ncmm ncnc ncnd nctc ncte ncue ndbm ndcc nddb ndde ndmc ndnt ndtc ndut nebb nebe nebn nebu necc nece nect nedc nedd nede nedu neeb need neem neen neet nem- neme nemn nemu nend nene nent nenu net- netb netd nete nett neuc