cosc cose coso coss cosy coyf coyn coyo coyr coys crbc crcc crce crcr cre- creb crec cree cren creo cres crfc crfs crne crns crob croc croe cron croo cror croy crss cry- cryb cryn cryo crys csbf cscb cscc csce cscf csco cscr cscs csec csee cser csfc csfr csne csny csob csor csos csrc csrs csse cssr csys cybb cybc cybo cyc- cycb cycc cycs cyen cyfe cyfs cyn- cyne cyno cyon cyre cyrs cyse cyy- cyyc cyyn ebbc ebbo ebbr ebbs ebby ebcc eben eber ebes ebfc ebno eboe ebon eboo ebor ebos eboy ebro ecbc ecbe eccb eccc ecce ecco ecef eces ecfc ecfr ecfs ecne eco- econ ecos ecrc ecrf ecrr ecsc ecse ecss eeby eecs eeee eees eefe eefn eens eeny eeoc eerc eero eers eery eese eesy efbr efco efen efeo efes effs effy efon efor enb- enbn enbr enby ence enco encs ency enee eneo ener enes eney enfb ennc enne enns enny eno- enoc enoe enon enos enoy enrs enry ense enso enye enyo enys eoes eone eons eore erbb erbe ercc erce ereb erec eren erer eres erfc erfs erne erno erns erob eroc eroe eron eroo eros errc erre erro errs erse erso eryc erye esbo esbs escb esce esco escr escs esee esen eseo eser eses esfs esne eso- esos esse esso essy esyn eyeb eyec eyen eyer eyes eyey eyne eyre eyry eyse eyyr fbrs fcbs fccf fces fcsc febo febs fece feeb feen feer fees fefc fefe feff fefo fene fenn fens feny feof feon ferb ferc fere fern fero ferr fers fery fese fess feyn feyr feys ffcc ffee ffff ffrr ffss fnrs fobs foce foco focs foer foes fofo fone fono fons fony foof foon foos for- forb fore forn foro forr fors fosb foso foss foyn foys frbc frcc frcn free fren freo fres frey frfc frns frob froe fron fros frsb frsc frso frye frys fscb fscc fsec fsfo fssc fssf fyce fyen fyeo fyfe fyne fynn fyre fyrs fyry nbbc nbbo nbcc nbco nbcs nber nbfc nboy ncbc ncbs nccc nccf nccn nccr nccs ncec ncee ncef ncen ncer nces ncfc ncfe ncnc ncoc ncor ncos ncrc ncre ncsc ncse ncsf ncss ncsy nebb nebe nebn nebo nebr nebs necc nece neco necr necs necy neeb neef neen neer nees nefe neff nefs nene neno nens neo- neoc neon neoo neos nerc nere nerf nero nerr ners nery nesb nesc nese nesn neso nesr ness neye neyf neyn neyo neys nfer nfff nfon nfrs nfsr nfyb nfyc nnes nnnn nnos nnss nobc nobo nobs noce noco nocs noer noes non- none nonn nono nons noo- noob noon nooo noor noos nor- norb norc nore norf norn noro norr nors nory nos- nose noss nosy noye noyo noys nrcs nren nrfc nroc nron nrrc nrsc nsbo nscc nscs nseb nsec nser nsfc nsfs nsnr nsof nsos nsrc nssb nssc nsse nssf nsso nssr nsss nycc nyce nyco nycy nyen nyer nyes nyne nyny nyon nyrb nyrf nyro nysc nyse nysf nyss o-eo obbo obby obec oben ober obes obey oboe obon obor obos oboy obre obro obsn obsr obss ocbc occc occn oce ocee ocef ocon ocos ocre ocro ocrr ocrs ocys oec- oecc oeec oen- oeno oens oere oers oese oeye oeyo ofcr ofen ofer off- offc offe offo offr offs offy ofno ofor ofre onby onc- once oncf onco one- oneb onec onee oneo oner ones oney onne onno onon onor onos onoy onsc onse onso onys oobe ooby oocr ooer ooes ooff oofs oofy oone oons oooo ooos oore oory oose orbb orbe orbo orbs orby orce orco orcs ore- oreb orec oren oreo orer ores orey orfe orff orfs ornc orne orno orns orny oro- oroe orof oron oror oros oroy orro orrs orry orse orso orsy orys osbe osby oscc osce osco osec osee osen oser oses osey osno osnr osny osoo osor osos osro ossb osse osso ossy oyce oyee oyen oyer oyes oyne oyns oyon oyre oyse oyss rbbb rbbr rbbs rbss rcbc rcbo rccb rccc rccs rcfc rcnr rcon rcos rcsc rcss rcyc rebb rebe rebo rebs recc rece recr recs recy reeb reef reen rees refe reff refn refr refs rene renn reno rens reny reof reos rere rero rers rery rese resn reso ress reye reyn reys rfef rffc rnbr rnco rncs rob- robb robe robo robs roby rocc roce roco rocs roen roer roes roey rofc rofe roff rofo ronc rone rono rons rony roob roof roon roor roos rorc rore roro rory rosc rose roso ross rosy roye royn roys rrfc rrrr rscc rscn rscs rscy rsee rsfc rsnn rsno rsnr rsos rsre rybe ryeb ryen ryes ryfe ryff ryne rynn ryob ryon rysy ryyf s-os sbbs sbcc sbcs sbef sber sbfc sbor sbse sccc scce sccs sccy scec scee scer scey scfc scfe scnr scob scon scoo scor scr- scrc scre scrn scrs scry scsc scsn scso scsr scye scyn se-c se-e se-f se-n se-o se-s se-y sebe sebo sebs seby sec- secc sece secn seco secr secs secy seeb seec seef seen seer sees seey seff sene senn seno senr sens seny seoc seon serb serc sere serf sern sero serr sers sery sesc sese seso sess seye seyf seyn seys sfbc sfcc sfco sfcs sfer sffc sfnb sfne sfor sfos sfrc sfro sfss sncc sncf snco sneb snee sner snes snns snob snoc snoo snor snos snrs snsy snye snys sobe sobo sobr sobs soce soco socr socs socy soec soen soeo soes sofo son- sone sono sons sony soof soon soor soos sooy sorb sore sorn soro sorr sors sory sose soso soss soye soyo soys srbc srby srcc sreb srec sreo sres srfc srnn srno sros ssbn ssbr ssby sscc ssce sscs ssec ssee sses ssfc ssns ssoc ssrc ssrs sssb sssc sssf ssss sybo syce syco sycr syen syer syes syfe syff syfy syn- sync syne syns syny syon syre syro syrs syry