-er bbb bbc bbd bbe bbk bbn bbo bbr bcb bcc bcd bce bck bcn bco bcr bdb bdc bdd bde bdk bdo bdr be- beb bec bed bee bek ben beo ber bkb bkc bke bkk bkn bko bkr bnb bnc bnd bne bnk bnn bno bnr bob boc bod boe bok bon boo bor brb brd bre brk brn bro brr c-- cbb cbc cbd cbe cbk cbn cbo cbr ccb ccc ccd cce cck ccn cco ccr cdb cdc cdd cde cdk cdn cdo cdr ce- ceb cec ced cee cek cen ceo cer ckb ckc ckd cko cn- cnb cnc cnd cne cnn cno cnr co- cob coc cod coe cok con coo cor crb crc crd cre crk crn cro crr dbb dbc dbd dbe dbk dbn dbo dbr dcb dcc dcd dce dck dcn dco dcr ddb ddc ddd dde ddk ddn ddo ddr de- deb dec ded dee dek den deo der dkb dkc dke dkk dko dkr dnb dnc dnd dne dnk dnn dno dnr dob doc dod doe dok don doo dor drb drc drd dre drk drn dro drr ebb ebc ebd ebe ebk ebn ebo ebr ec- ecb ecc ecd ece eck ecn eco ecr ed- edb edc edd ede edk edn edo edr eeb eec eed eee eek een eeo eer ekb ekc ekd eke eko ekr en- enb enc end ene enk enn eno enr eo- eob eoc eod eoe eok eon eoo eor erb erc erd ere erk ern ero err kbb kbc kbd kbe kbk kbn kbo kbr kcb kcc kcd kce kck kcn kcr kdb kdc kde kdk kdo kdr ke- keb kec ked kee kek ken keo ker kkb kkc kke kkk kkn kkr kn- knc knd kne knk knn kno knr kob koc kod koe kok kon koo kor krc krd krk krn kro krr nbb nbc nbd nbe nbk nbn nbo nbr ncb ncc ncd nce nck ncn nco ncr ndb ndc ndd nde ndk ndn ndo ndr ne- neb nec ned nee nek nen neo ner nkc nke nkk nkn nko nkr nnb nnc nne nnk nnn nno no- nob noc nod noe nok non noo nor nrb nrc nrd nre nrk nrn nro nrr ob- obb obc obd obe obk obn obo obr oc- ocb occ ocd ock ocn oco ocr odb odc odd ode odn odo odr oeb oec oed oee oen oeo oer okb okc okd oke okk oko okr on- onb onc ond one onk onn ono onr oo- oob ooc ood ook oon ooo oor or- orb orc ord ore ork orn oro orr rbb rbc rbd rbe rbk rbn rbo rbr rcb rcc rcd rce rcn rco rcr rdb rdc rdd rde rdn rdo rdr re- reb rec red ree rek ren reo rer rkb rkc rke rkk rko rnb rnc rnd rnn rno rnr rob roc rod roe rok ron roo ror rrb rrc rrd rrk rrn rrr

-ene -one bbbb bbdd bbdo bbeb bbrc bcbc bccc bcde bcec bcer bcor bd-r bdbc bddc bebb bebe bebo beck bede bedo beeb beed beek been beer beke beko bend bene benk benn beno beo- beod beok beon beor berc berd bere berk bern bero berr bner bnoc bnor bnrr bobb bobe bobo boce bock boco bodb bode bodo boec boee boen boeo boer boke bokn boko bonc bond bone bonk bonn bono boob booc bood booe book boon boor bor- bord bore bork born boro borr brcb brce brdo breb brec bred bree brek bren breo brer brkb brno brob broc brod broe brok bron broo bror brrr c-bo c-cd cbbc cbcc cbce cbcn cbcr cbdb cbdc cbdn cbdo cbec cbee cber cbkn cbko cbkr cbnd cbrd cbre cbrn ccbc ccbn cccb cccc ccdc ccdn ccdr cced ccee ccnb ccnc ccne ccnr ccob ccoc ccod ccrc ccre cd-e cd-r cddb cddr cdec cder cdnb cdnc cdon cdre cec- cece ceco cedd cede cedo ceeb ceec ceke cen- cend cene ceno ceor cer- cerc cerd cere cern cero ckbc ckbe ckck ckco ckdo cken cker cknb cknc ckob ckoc ckoo ckor ckrc ckrd cnbc cnco cndd cnrc cnrr cobb cobe cobo coce cock coco codd code coed coen cok- coke coko con- conc cond cone conk conn cono coob cood cook coon cor- corb corc cord core cork corn coro corr crbc crcc crce crcr crdc cre- creb crec cred cree cren creo crkc crne crob croc crod croe crok cron croo cror d-bo dbcc dbrn dcbc dccb dccc dcdb dcon dcrk dddd ddoc ddrc ddre debe dec- decc decd dece deck deco dedd dede dedo deeb deed deek deen deer dek- deke dene denk denn deno deon deor der- derb derc dere derk dern dero derr dkdc dnce dner dnoc dnrc dobb dobe doce dock doco dod- dodd dode dodo doek doen doer doke doko donc dond done donk donn dono donr doob dood dook doon door dorc dord dore dork dorn doro dorr drbc dred dree drek dren drno drob drod dron ebbc ebbo ebbr ebcc ebed eben eber ebno eboe ebon eboo ebor ebro ecbc ecbe eccb eccc ecce ecco ecdc eced ecko ecne eco- ecod econ ecrc ecrr eddc edde eddo ede- eden eder edno edoc edod edon edrn eede eeee eeke eend eeoc eerc eero ekco ekeb eked ekek eken eker ekne enb- enbn enbr ence enco end- ende endo ened enee eneo ener enke enkr ennc enne eno- enoc enoe enon eocd eode eone eore erbb erbe ercc erce erde ereb erec ered eren erer erke erne erno erob eroc erod eroe eron eroo errc erre erro kbbb kbbc kbbd kbbe kbbk kbbo kbbr kbcb kbce kbck kbco kbcr kbdb kbde kbdn kbdo kbdr kbeb kbec kbed kbee kbek kben kbeo kber kbkb kbkk kbko kbkr kbnd kbnn kbno kbnr kbob kboc kbod kboe kbok kbon kboo kbrb kbrc kbrd kbre kbrk kbrn kbro kcbc kcbd kcbk kcbr kccb kccc kccd kcck kccr kcdc kcdd kcdr kceb kcec kced