cbus ccaa ccab ccac ccaf ccar ccas ccba ccbc ccca cccb cccc cccf cccs cccu ccee ccfa ccfc ccff ccra ccrc ccre ccrf ccrs ccsa ccsf ccss ccuc ccus ceac cear ceas ceba cebs cebu cec- ceca cece cecs ceeb ceec cees cef- cefa cefc cer- cera cerc cere cerf cers cesa cesc cese cesr cess cfaa cfab cfac cfae cfar cfbc cfbr cfbs cfca cfcb cfcf cfcs cffb cffr cfra cfrb cfre cfsa cfse crab crac craf crar cras crau crbc crbu crca crcc crce crcr cre- crea creb crec cree cres creu crfc crfs crsa crss crub crue crus csaa csab csac csar csas csbf cscb cscc csce cscf cscr cscs csea csec csee cser csfc csfr csra csrc csrs cssa csse cssr csua csuf csur csus cuau cub- cuba cubb cube cubs cuca cucc cuce cuer cues cufa cufc cuff cura curb cure curf curr curs cusa cusb cuss cusu eaaf eaba eaca eacc eaec eafb eara earb eare ears easa ease eaus ebac ebba ebbc ebbr ebbs ebcc eber ebes ebfc ebru ebsa ebur ebus ecaa ecac ecar ecbc ecbe ecca eccb eccc ecce ecef eces ecfa ecfc ecfr ecfs ecra ecrc ecrf ecrr ecru ecsa ecsc ecse ecss ecsu ecua ecus eeca eecs eeea eeee eees eefa eefe eera eerc eers eese efab efas efbr efca efes effa effs efsa efua eraf eras erau erba erbb erbe erca ercc erce ereb erec erer eres erfc erfs erra errc erre errs ersa erse erua erub eruc erur erus esab esac esar esas esau esba esbs esca escb esce escr escs escu esea esee eser eses esfs esra essa esse essu esuf esus euba eubc euer eufc eur- eura eurc eure eusa euse faaa faac faas faba fabe fabs fabu faca facc face facs faeb faes fafa fafc fafe faff fara farb farc fare farr fars faru fasa fasc fase fass faue faur fbar fbrs fbus fcab fcar fcas fcba fcbs fcca fccf fces fcra fcsc feaf fear feas feba febs fece feeb feer fees fefc fefe feff fera ferb ferc fere ferr fers feru fesa fese fess feus ffar ffcc ffee ffff ffrr ffsa ffss frab frac frae fras frau frbc frcc frea free fres frfc frsb frsc frub frue fsas fscb fscc fsec fsra fssa fssc fssf fuar fubb fubs fubu fuc- fuca fufc fuff fufu fur- fura fure furr furs fusa fusc fuse fuss fusu raab raaf raas raba rabb rabe rabs rabu rac- raca racc race racs racu raec raef raer raes rafa rafc rafe raff rara rarb rare rarf rars rasa rasc rase rass rasu raua raub rauc raue rauf raus rbaf rbbb rbbr rbbs rbss rcac rcaf rcas rcbc rccb rccc rccs rcfc rcsa rcsc rcss rea- reac reae reaf rear reas reau reba rebb rebe rebs rebu reca recc rece recr recs recu reeb reef rees refe reff refr refs refu rera rere rers reru resa rese ress reue reuf reus reuu rfae rfef rffc rras rrfc rrrr rsaa rsaf rscc rscs rsee rsfc rsre rssa rsua ruas ruba rubb rube rubs rubu ruca ruce ruer rues rufa rufc rufe ruff rura rurc rure rurs ruru rusa ruse russ rusu sa-c saab saac saae saaf saar saas saba sabb sabc sabe sabr sabs sabu saca sacc sace sacr sacs sacu saeb saer saes safa safb safc safe saff safr safu sara sarc sare sarf sarr sars saru sasa sasc sase sasf sass saua sauc saue sauf saur saus sbaa sbac sbar sbas sbbs sbca sbcc sbcs sbef sber sbfc sbsa sbse sbus scaa scab scac scaf scar scas scba sccc scce sccs scea scec scee scer scfa scfc scfe scr- scra scrc scre scrs scsa scsc scsr scsu scua scub scur se-c se-e se-f se-s se-u seaa seab seac seaf sear seas seau seba sebe sebs sec- seca secc sece secr secs secu seea seeb seec seef seer sees seeu sefa seff sera serb serc sere serf serr sers seru sesa sesc sese sess seur sfar sfas sfba sfbc sfca sfcc sfcs sfer sffc sfra sfrc sfss sfsu sraf sras srbc srcc sreb srec sres srfc srub ssaa ssab ssac ssas ssau ssbr ssca sscc ssce sscs ssec ssee sses ssfc ssra ssrc ssrs sssa sssb sssc sssf ssss suar suas sub- suba subb subs suc- succ sucr sucs suee suer sues sueu suf- sufa sufc suff sufr sufs sufu sur- sura surc sure surf surr surs suru sus- susa suse suss susu suus uabc uaca uaes uafa uarc uars uaru uasa uaua ubac ubar ubba ubbe uber ubra ucar ucas ucbc ucca ucea uces ucfa ucfb ucrc ucsa ucsb ucsc ucsf ucsu ucua ueba uefa uers uess ufcu ufer uffa uffe ufra urac uras urau urba urbe urbs urca ure- urea ures urfa urfe urff urra urre ursa urse urss ursu urur urus us-a usaa usac usaf usar usas usba usbc usbe usbr usbs usca uscc usce uscf uscs usea usee usef user uses usfa usfc usfs usra ussa ussb ussc usse ussf ussr usss ussu usua usus uuuu

-aaa- a-sea aaaas aaace aaaee aaarc aaasa aaass aabaa aabba aabfs aabra aacbc aaces aacsa aacsb aacss aacus aaeaf aarau aasee aasra abaab ababa ababe ababs ababu abaca abacs abaer abara abare abaru abasa abase abass abbac abbar abbas abbes abbrs abbur abcas abccc abear abeau abeba abebe abece abeer abees abera abere aberr abfab abffs abrac abrar abras abres abreu abrus absar absee abura aburr abuse acaca acacb acar- acara acare acars acase acass acaua accas accra accub accue accur accus aceae acera acerb acers acfas acrab acrea acree acres acrue acuba acuff acura acure acusa aeaea aebbe aebsf aeres aerru aerus aface afara afare afars afcea afcec afear afefe afere afers afeur affer afree afsar afure afuse afuss ar-ab ara-c arab- araba arabe arabs araca arace araea arara arare arars araru arase arass arasu arbab arbar arbas arbee arber arbre arbus arcae arcas arcee arces arcus areae arear areas areca areef arees arefu arere arese areus arfe arras