rier ries riet rieu riis rios riot riou ripe ripi ripp ripr rips ript rire riri rirs risc rise risi riso risp riss rist risu rite riti rito rits ritt ritu riue rius rocc roce roco rocs roer roes roet roio roir rois roit roiu rooi roop roor roos root rope ropo rops rorc rore rori roro rort roru rosc rose rosi roso rosp ross rost rotc rote roti roto rotr rots rott roue roup rous rout rpcs rpet rpii rpoe rpos rpps rpts rrrr rrsp rscc rscs rsee rsis rsos rspo rsps rsre rstp rsts rstu rtcc rtce rtee rtei rtes rtps rtss rttp rtts ruce ruci ruct ruer rues ruet ruis ruit rupe rupp rupt rurc rure ruri ruro rurp rurs ruru ruse rusi ruso russ rust rusu rute ruti ruto ruts rutt rutu s-ic s-ii s-os sccc scce sccp sccs scct scec scee scep scer scet sci- scic scie scio scip scir scis scit scoo scop scor scot scpe scpi scpo scps scpt scr- scrc scre scri scrs scsc scsi scso scsr scst scsu sctc scto sctr scts scup scur scut se-c se-e se-i se-o se-s se-t se-u sec- secc sece seco secr secs sect secu seec seep seer sees seet seeu seie seii seip seir seis seit seiu seoc seoi seop sepe sepi sepo sepp sepr seps sept sepu serc sere seri sero serp serr sers sert seru sesc sese sesi seso sess sest set- setc sete seti seto sets sett seui seur sicc sice sici sico sicp sics sicu siec sier sies siit sioe siop sior sios siot siou sipc sipe sipi sipo sipp sips sipt sirc sire siri siro sirp sirr sirs sirt siru sisc sise sisi siss sist sisu sit- sitc site siti sito sits sitt situ siue siui sius siut soce soci soco socr socs soec soeo soep soes soic soie soir sois soit soop soor soos soot sope sopi sopo sopp sops sopu sore sori soro sorr sors sort soru sose sosi soso soss sost sotc sote soto sotp sots sotu soue soup sour sous sout spcc spco spcs spec spee sper spes spet spic spie spio spip spir spis spit spoc spoo spop spor spos spot spps spri spro sprs spse spso spsp spss spst sptc spto sptr spts spue spui spur spus sput srcc srct srec sreo sres sris sros srpc srps srpt srsp srtp srtr sscc ssce ssci sscp sscs ssec ssee ssep sses sset ssis ssit ssoc ssop ssot sspc sspe sspo ssps sspt ssrc ssri ssrs sssc sssi ssss sstc sstp ssts stcc stcp stcs stcu stec stee steo step ster stes stet stic stie stio stip stir stis stit stoe stoo stop stor stos stot stou stpp stps strc stre stri stro strs stru stsi stss sttc sttr stuc stue stup stur stus stut suc- succ suci sucr sucs suee suer sues suet sueu suie suio suir suis suit suor suos sup- supe supo supp supr sups supt sur- surc sure suri suro surp surr surs surt suru sus- suse susi suso susp suss sust susu sute suti suto sutu suus tccc tccu tcep tcos tcpo tctc tcts teco tecr tecs tect teec teer tees teet teic teie teip teir teis teiu teor teos tepe tepi tepp tepu ter- terc tere teri tero terp terr ters teru tesc tese teso tesp tess test tete teti teto tetr tets tett tetu teut ticc tice tico tics tie- tiee tiei tieo tiep tier ties tiet tiit tiiu tiop tios tiou tip- tipc tipe tipi tipo tipp tips tipt tipu tire tiri tiro tirr tirs tiru tise tisi tiso tiss tist titc tite titi tito titp tits titt titu toce toci toco toee toei toer toes toet toie tois toit toor toos toot top- tope topi topo topp tops topt topu torc tore tori toro torp torr tors tort toru tosc tose tosi toso toss tost tosu totc tote toti toto totr tots tott toui toup tour tous tout tpcp tpcs tper tpir tppp tppr tprs tpsc tpte tptp tptr tput trcc tre- trec tree trei treo tres tret treu tri- tric trie trio trip tris trit troc troe troi troo trop tros trot trou trpc trpe trpp trps trsi trst trtc trte trtr truc true trus trut truu tscc tscp tsec tses tset tsis tsoi tsop tsos tsou tspo tsps tspt tsse tssi tssr tsst tstc tsts tsui tsup ttcp tteo tter ttoe ttop ttss tttt tucc tuco tuei tuer tues tuet tuis tuit tuiu tuor tuos tupe tupi tupo tups tupu turc ture turi turo turp turr turs turt turu tusc tusi tuss tust tute tuti tuto tuts tutt tutu tuuo u-ie u-rp ucci uccp uces ucio ucos ucrc ucsc ucst ucsu ucut ueir uepi uers uess uies uipi uirr uise uist uits uocc uor- uore upci upcs upic upie upis upor upos uppc uppe uppp uppu upri upsc upse upsi upto upup urci ure- ures uret uric urie uris uriu uro- uroo urpo urre urri urse ursi urso urss ursu urte urts urup urur urus urut uscc usce usco uscs usee user uses uset usie usip usis usoc usoe usoi usos uspc uspo uspp usps ussc usse ussr usss usst ussu ustc uste usti usto ustp usts usui usus utec utep uter utes utis utor utri utsc utti utto uttu uucp uuoc uuri uusi uuuu

-esti -itis -tree c-cor c-p-c c-pop c-tec ccccc cccii ccett cciii ccitt ccups ceci- cecie ceco- cecos cecri ceere ceese ceipp ceirt ceiss ceoce ceoor ceose ceous cepci cepes cepet cepic cepie cepii cepos cepot ceppo cerc- cerce cerci cerco cercs cerec cerer ceres ceret ceric cerie cerio ceris cero- ceroc ceros cerou cerps cerre cerro cerrs cerse cerss certe certs cerus cesce cescr cesio cesis cesse ceste cesti cests cetes cetic cetis ceto- cette cetus ceuti cicer ciceu cicis cicus cietc ciope cipce cipco ciper cippi cipre cipro cipus circe circo circs cires ciric cirie cirio ciris cirr- cirri cirro cirs- cirse cisco ciser cises cisie cispp cispr cisse