-er b-u bbb bbc bbe bbf bbn bbo bbr bbu bcb bcc bce bcf bcn bco bcr bcu be- beb bec bee bef ben beo ber beu bfb bfc bfe bff bfn bfo bfr bfu bnb bnc bne bnf bnn bno bnr bnu bob boc boe bof bon boo bor bou brb bre brf brn bro brr bru bub buc bue buf bun buo bur buu c-- cbb cbc cbe cbf cbn cbo cbr cbu ccb ccc cce ccf ccn cco ccr ccu ce- ceb cec cee cef cen ceo cer ceu cfb cfc cfe cff cfn cfo cfr cfu cn- cnb cnc cne cnf cnn cno cnr cnu co- cob coc coe cof con coo cor cou crb crc cre crf crn cro crr cru cub cuc cue cuf cun cuo cur cuu ebb ebc ebe ebf ebn ebo ebr ebu ec- ecb ecc ece ecf ecn eco ecr ecu eeb eec eee eef een eeo eer ef- efb efc efe eff efo efr en- enb enc ene enf enn eno enr enu eo- eob eoc eoe eof eon eoo eor eou erb erc ere erf ern ero err eru eu- eub euc eue euf eun eur fbb fbc fbe fbf fbn fbo fbr fbu fcb fcc fce fcf fcn fco fcr fcu feb fec fee fef fen feo fer feu ffc ffe fff ffn ffo ffr ffu fnb fnc fne fnf fnn fnr fnu fob foc foe fof fon foo for fou frb frc fre frf frn fro frr fru fub fue fuf fun fuo fur fuu nbb nbc nbe nbf nbn nbo nbr nbu ncb ncc nce ncf ncn nco ncr ncu ne- neb nec nee nef nen neo ner neu nfb nfc nfe nff nfn nfo nfr nfu nnb nnc nne nnf nnn nno nnu no- nob noc noe nof non noo nor nou nrb nrc nre nrf nrn nro nrr nru nub nuc nue nun nuo nur nuu ob- obb obc obe obf obn obo obr obu oc- ocb occ ocf ocn oco ocr ocu oeb oec oee oef oen oeo oer of- ofb ofc ofe off ofn ofo ofr ofu on- onb onc one onf onn ono onr onu oo- oob ooc oof oon ooo oor or- orb orc ore orf orn oro orr oru ou- ouc oue ouf oun ouo our rbb rbc rbe rbf rbn rbo rbr rbu rcb rcc rce rcf rcn rco rcr rcu re- reb rec ree ref ren reo rer reu rfb rfc rfe rff rfn rfo rfr rfu rnb rnc rnn rno rnr rnu rob roc roe rof ron roo ror rou rrb rrc rrf rrn rrr rru rub ruc rue ruf run ruo rur ruu ubb ubc ube ubf ubn ubo ubr ubu ucb ucc uce ucf ucn uco ucr ucu ueb uec uee uef uen uer ufc ufe uff ufn ufo ufr ufu un- unb unc une unf unn uno unr unu uob uoc uoe uon uoo uor ur- urb urc ure urf urn uro urr uru uuc uue uun uur uuu

-ene -one bbbb bbeb bbfc bbfn bbrc bcbc bccc bcec bcer bcfc bcnu bcof bcor bcru bcuc bebb bebe bebo becu beeb beef been beer befe beff befo bene benn beno benu beo- beof beon beor berc bere bern bero berr beru beur bner bnoc bnor bnrr bobb bobe bobo bobu boce boco bocu boec boee boef boen boeo boer bofe boff bofu bonc bone bonn bono bonu boob booc booe boof boon boor bor- bore borf born boro borr boru boue bouf boun bour brcb brce breb brec bree bref bren breo brer brfc brfu brno brob broc broe bron broo bror brou brrr bruc brue brun bubb bube bubo bubu bucc buce buco bucu buen buer bueu bufc bufe buff bufo bufr bunb bune bunn buno bunu buon bur- burb bure burn buro burr buru c-bo cbbc cbcc cbce cbcn cbcr cbcu cbec cbee cbef cber cbfb cbfc cbre cbrn ccbc ccbn cccb cccc cccf cccu ccee ccfc ccff ccnb ccnc ccne ccnf ccnr ccnu ccob ccoc ccrc ccre ccrf ccuc cebu cec- cece ceco ceeb ceec cef- cefc cefn cen- cene ceno ceor ceou cer- cerc cere cerf cern cero cfbc cfbn cfbr cfcb cfcf cfcn cfco cffb cffr cfnb cfnr cfor cfrb cfre cfrn cfun cnbc cnco cnrc cnrr cobb cobe cobo cobu coce coco cocu coen cofc cofe coff con- conc cone conf conn cono coob coof coon cor- corb corc core corf corn coro corr coub coue coun cour crbc crbu crcc crce crcr cre- creb crec cree cren creo creu crfc crne crob croc croe cron croo cror crub crue crun cub- cubb cube cucc cuce cucn cuer cufc cuff cufo cune cuno cuon curb cure curf curn curo curr ebbc ebbo ebbr ebcc eben eber ebfc ebno eboe ebon eboo ebor ebro ebru ebur ecbc ecbe eccb eccc ecce ecco ecef ecfc ecfr ecne eco- econ ecou ecrc ecrf ecrr ecru eeee eefe eefn eeoc eerc eero efbr efco efen efeo efon efor enb- enbn enbr ence enco enee eneo ener enfb ennc enne ennu eno- enoc enoe enon enue enuf enur eone eore erbb erbe ercc erce ereb erec eren erer erfc erne erno erob eroc eroe eron eroo errc erre erro erub eruc erur eubc euer eufc eur- eurc eure euro fccf febo fece feeb feen feer fefc fefe feff fefo fene fenn feof feon ferb ferc fere fern fero ferr feru ffcc ffee ffff ffrr ffun fnuf foce foco foer fofo fone fono foof foon for- forb fore forn foro forr foun four frbc frcc frcn free fren freo frfc frob froe fron frou frub frue frun fubb fubu fuc- fufc fuff fufu fune funf fuor fur- fure furn furo furr nbbc nbbo nbcc nbco nber nbfc nbuf ncbc nccc nccf nccn nccr nccu ncec ncee ncef ncen ncer ncfc ncfe ncnc ncoc ncor ncrc ncre ncue nebb nebe nebn nebo nebr nebu necc nece neco necr neeb neef neen neer nefe