ccca cccb cccc cccs cccu ccna ccnb ccnc ccnr ccns ccnu ccob ccoc ccra ccrc ccrs ccsa ccsn ccss ccuc ccus cnaa cnac cnas cnbc cnco cnna cnrc cnrr cnsa cnss coan coas coba cobb cobo cobs cobu coca coco cocu con- cona conc conn cono cons coob coon coos cor- cora corb corc corn coro corr cors cosa cosc coso coss coua coub coun cour cous crab crac cran crar cras crau crbc crbu crca crcc crcr crna crns crob croc cron croo cror crsa crss crub crun crus csaa csab csac csao csar csas cscb cscc csco cscr cscs csob csor csos csra csrc csrs cssa cssr csua csur csus cuan cuau cub- cuba cubb cubs cuca cucc cucn cuna cuno cuon cura curb curn curo curr curs cusa cusb cuso cuss cusu naaa naab naac naan naar naas naba nabc nabo nabs nabu naca nacc naco nacs nan- nana nanb nann nano nans nanu naoc naor naos nara narc narn naro narr nars naru nas- nasa nasb nasc naso nasr nass nasu nauo naur naus nbaa nbar nbas nbbc nbbo nbca nbcc nbco nbcs ncaa ncac ncar ncba ncbc ncbs ncca nccc nccn nccr nccs nccu ncna ncnc ncoa ncoc ncor ncos ncra ncrc ncsa ncsc ncss ncua nnnn nnos nnsa nnss noaa noac noba nobc nobo nobs nobu noco nocs non- nona nonn nono nons nonu noo- noob noon nooo noor noos nor- nora norb norc norn noro norr nors nos- nosa noss nosu noun nour nous nrab nras nrca nrcs nrna nroc nron nrrc nrsa nrsc nsaa nsac nsar nsbo nsca nscc nscs nsna nsnr nsos nsou nsra nsrc nssa nssb nssc nsso nssr nsss nsub nuan nuba nubc nubs nuca nucs nucu nuna nunc nunn nuno nuns nuoc nuon nura nurc nurn nurr nurs nuru nuss nusu oaau oara oars oasc oass oban obas obba obbo obon obor obos obra obro obsn obsr obss obus ocab ocac ocan ocas ocbc occa occc occn ocna ocon ocos ocra ocro ocrr ocrs ocsa ocur onab onan onar onas onc- onca onco onna onno onon onor onos onra onsc onso onur onus ooaa ooba oocr oona oons oooo ooos oora oosa oous orab orac oran orao orar oras orba orbb orbo orbs orbu orca orco orcs orna ornc orno orns oro- oron oror oros orra orro orrs orsa orso orsu orub orus osan osar osas osba osca oscc osco osno osnr osoo osor osos osro ossa ossb osso ossu osun ouac ouan oubs oucc oun- ouna our- oura ourn ouro ours ousa ouu- raab raan raas raba rabb rabo rabs rabu rac- raca racc raco racs racu rana ranc rann rano rans raob raoc raos rara rarb raro rars rasa rasc raso rass rasu raua raub rauc raun raus rbbb rbbr rbbs rbss rcac rcas rcbc rcbo rccb rccc rccs rcnr rcon rcos rcsa rcsc rcss rnas rnbr rnco rncs roab roan roar roas rob- roba robb robo robs robu roca rocc roco rocs rona ronc rono rons roob roon roor roos rora rorc roro roru rosa rosc roso ross roua roub roun rous rras rrna rrrr rrun rsaa rscc rscn rscs rsna rsnn rsno rsnr rsos rssa rsua ruan ruas ruba rubb rubs rubu ruca runa runc runn runo runs rura rurc ruro rurs ruru rusa ruso russ rusu ruun s-os sa-c saab saac saan saar saas saba sabb sabc sabo sabr sabs sabu saca sacc sacn saco sacr sacs sacu sana sann sano sanr sans sanu saon saor saos saou sara sarc sarn saro sarr sars saru sasa sasc saso sass saua sauc saun saur saus sbaa sbac sbar sbas sbbs sbca sbcc sbcs sbor sbsa sbus scaa scab scac scan scar scas scba sccc sccs scna scnr scob scon scoo scor scr- scra scrc scrn scrs scsa scsc scsn scso scsr scsu scua scub scun scur snab snar snas snba snca sncc snco snns snoa snob snoc snoo snor snos snra snrs snub snur snus soan soar soas soba sobo sobr sobs sobu soca soco socr socs son- sona sono sons sonu soon soor soos sora sorb sorn soro sorr sors soru sosa soso soss soun sour sous sras srbc srcc srna srnn srno sros srub ssaa ssab ssac ssan ssao ssas ssau ssbn ssbr ssca sscc sscs ssns ssoc ssra ssrc ssrs sssa sssb sssc ssss suan suar suas sub- suba subb subo subs suc- succ sucr sucs sun- suna sunb sunn suno suns sunu suor suos sur- sura surc surn suro surr surs suru sus- susa suso suss susu suus uabc uaca uaoc uarc uars uaru uasa uaua ubac ubar ubba ubbo uboc ubon ubos ubra ucan ucar ucas ucbc ucca ucon ucos ucrc ucsa ucsb ucsc ucsu ucua unaa unac unan unar unas unau unca uncc unco uncs unna unno unns unon unos unra unro unrs uns- unsa unsc unso unus uocc uor- urac uran urao uras urau urba urbs urca urna urns uro- uroa uroo urra ursa urso urss ursu urun urur urus us-a usaa usac usan usar usas usba usbc usbr usbs usca uscc usco uscs usna usnc usno usnr usnu usoc usos usra ussa ussb ussc ussr usss ussu usua usun usus uuno uuoc uuuu

-aaa- a-sun aaaas aaaoc aaarc aaasa aaass aabaa aabba aabra aacbc aacos aacsa aacsb aacss aacus aarau aarna aaron aasra abaab ababa ababs ababu abaca abaco abacs abana abanc abann abano abaon abara abarn abaru abasa abass abbac abban abbar abbas abbos abbou abbrs abbur abcan abcas abccc abnub aboab abobo abona abono aboon abora aborc aborn aboso abous abrac abran abrar abras abron abrun abrus absar abson abuna abura aburn aburr acaca acacb acana acar- acara acars acass acaua accas accra accub accur accus acnor acorn acoss acou- acoua acouo acrab acro- acrob acron acros acuba acura acusa anaba anaco anana anara anaru anasa anass anaua anaun anban anbar ancar ancon ancor ancus annan annar annas anncr annua annur annus anoas anoba anona anono anons anoon anora anorn anoun anour anous anras