-er b-u bbb bbc bbe bbg bbk bbn bbo bbr bbu bcb bcc bce bcg bck bcn bco bcr bcu be- beb bec bee beg bek ben beo ber beu bgb bgc bge bgg bgk bgn bgo bgr bgu bkb bkc bke bkg bkk bkn bko bkr bnb bnc bne bng bnk bnn bno bnr bnu bob boc boe bog bok bon boo bor bou brb bre brg brk brn bro brr bru bub buc bue bug buk bun buo bur buu c-- cbb cbc cbe cbg cbk cbn cbo cbr cbu ccb ccc cce ccg cck ccn cco ccr ccu ce- ceb cec cee ceg cek cen ceo cer ceu cgb cgc cge cgg cgn cgo cgr cgu ckb ckc cko cn- cnb cnc cne cng cnn cno cnr cnu co- cob coc coe cog cok con coo cor cou crb crc cre crg crk crn cro crr cru cub cuc cue cug cuk cun cuo cur cuu ebb ebc ebe ebg ebk ebn ebo ebr ebu ec- ecb ecc ece ecg eck ecn eco ecr ecu eeb eec eee eeg eek een eeo eer egb egc ege egg egn ego egr egu ekb ekc eke ekg eko ekr eku en- enb enc ene eng enk enn eno enr enu eo- eob eoc eoe eog eok eon eoo eor eou erb erc ere erg erk ern ero err eru eu- eub euc eue eug eun eur gbc gbe gbg gbk gbn gbo gbr gbu gcb gcc gce gcg gck gcn gco gcr gcu ge- geb gec gee geg gek gen geo ger geu ggb ggc ggg ggn ggo ggr ggu gkb gkn gko gnb gnc gne gnn gno gnr gnu gob goc goe gog gok gon goo gor gou grb grc gre grg grk grn gro grr gru gu- gub guc gue gug guk gun guo gur guu kbb kbc kbe kbk kbn kbo kbr kbu kcb kcc kce kcg kck kcn kcr kcu ke- keb kec kee keg kek ken keo ker kgb kgc kgo kgu kkb kkc kke kkk kkn kkr kku kn- knc kne kng knk knn kno knr knu kob koc koe kog kok kon koo kor kou krc krg krk krn kro krr kru kub kuc kue kug kuk kun kur kuu nbb nbc nbe nbg nbk nbn nbo nbr nbu ncb ncc nce ncg nck ncn nco ncr ncu ne- neb nec nee neg nek nen neo ner neu ngb ngc nge ngg ngk ngn ngo ngu nkc nke nkk nkn nko nkr nku nnb nnc nne nng nnk nnn nno nnu no- nob noc noe nog nok non noo nor nou nrb nrc nre nrg nrk nrn nro nrr nru nub nuc nue nug nuk nun nuo nur nuu ob- obb obc obe obg obk obn obo obr obu oc- ocb occ ocg ock ocn oco ocr ocu oeb oec oee oeg oen oeo oer ogc oge ogg ogn ogo okb okc oke okg okk oko okr oku on- onb onc one ong onk onn ono onr onu oo- oob ooc oog ook oon ooo oor or- orb orc ore org ork orn oro orr oru ou- ouc oue ouk oun ouo our rbb rbc rbe rbg rbk rbn rbo rbr rbu rcb rcc rce rcg rcn rco rcr rcu re- reb rec ree reg rek ren reo rer reu rgb rgc rge rgg rgk rgn rgo rgr rkb rkc rke rkg rkk rko rku rnb rnc rng rnn rno rnr rnu rob roc roe rog rok ron roo ror rou rrb rrc rrg rrk rrn rrr rru rub ruc rue rug ruk run ruo rur ruu ubb ubc ube ubg ubk ubn ubo ubr ubu ucb ucc uce ucg uck ucn uco ucr ucu ueb uec uee ueg uen uer ugb ugc uge ugg ugk ugn ugo ugr ugu ukb ukc uke ukk ukn ukr uku un- unb unc une ung unk unn uno unr unu uob uoc uoe uog uok uon uoo uor ur- urb urc ure urg urk urn uro urr uru uuc uue uug uun uur uuu

-ene -one bbbb bbeb bbng bbrc bbrg bcbc bcbg bccc bcec bcer bcnu bcor bcru bcuc bebb bebe bebo beck becu beeb beeg beek been beer begg bego begu beke beko bene beng benk benn beno benu beo- beok beon beor berc bere berg berk bern bero berr beru beuk beur bgon bgun bneg bner bnoc bnor bnrr bobb bobe bobo bobu boce bock boco bocu boec boee boen boeo boer boge bogg bogo boke bokn boko boku bonc bone bong bonk bonn bono bonu boob booc booe boog book boon boor bor- bore borg bork born boro borr boru boue bouk boun bour brcb brce breb brec bree breg brek bren breo brer brkb brno brob broc broe brog brok bron broo bror brou brrr bruc brue brug brun bubb bube bubo bubu bucc buce buck buco bucu buen buer bueu buge bugg bugo buke bukk buko buku bunb bune bung bunk bunn buno bunu buon bur- burb bure burg burk burn buro burr buru c-bo cbbc cbcc cbce cbcn cbcr cbcu cbec cbee cber cbgb cbkg cbkn cbko cbkr cbre cbrn ccbc ccbn cccb cccc cccu ccee ccgc ccnb ccnc ccne ccnr ccnu ccob ccoc ccrc ccre ccrg ccuc cebu cec- cece ceco ceeb ceec cege cego ceke cen- cene ceng ceno ceor ceou cer- cerc cere cern cero cgcc cgcg cger cgro ckbc ckbe ckck ckco cken cker ckgn ckgo cknb cknc ckob ckoc ckoo ckor ckrc cnbc cnco cnrc cnrr cobb cobe cobo cobu coce cock coco cocu coen cogo cok- coke coko con- conc cone cong conk conn cono coob cook coon cor- corb corc core corg cork corn coro corr coub coue couk coun cour crbc crbu crcc crce crcr cre- creb crec cree creg cren creo creu crkc crne crob croc croe crok cron croo cror crub crue crug cruk crun cub- cubb cube cucc cuce cuck cucn cuek cuer cuk- cuke cune cuno