-er c-- ccc ccd cce cck cco ccr ccs ccu cdc cdd cde cdk cdo cdr cds cdu ce- cec ced cee cek ceo cer ces ceu ckc ckd cko cks co- coc cod coe cok coo cor cos cou crc crd cre crk cro crr crs cru csc csd cse csk cso csr css csu cuc cud cue cuk cuo cur cus cuu dcc dcd dce dck dco dcr dcs dcu ddc ddd dde ddk ddo ddr dds ddu de- dec ded dee dek deo der des deu dkc dke dkk dko dkr dks dku doc dod doe dok doo dor dos dou drc drd dre drk dro drr drs dru dsc dsd dse dsk dso dsr dss dsu duc dud due duk duo dur dus ec- ecc ecd ece eck eco ecr ecs ecu ed- edc edd ede edk edo edr eds edu eec eed eee eek eeo eer ees ekc ekd eke eko ekr eks eku eo- eoc eod eoe eok eoo eor eos eou erc erd ere erk ero err ers eru es- esc esd ese esk eso esr ess esu eu- euc eud eue eur eus kcc kcd kce kck kcr kcs kcu kdc kde kdk kdo kdr kds kdu ke- kec ked kee kek keo ker kes kkc kke kkk kkr kks kku koc kod koe kok koo kor kos kou krc krd krk kro krr krs kru ksc ksd kse ksk kso ksr kss ksu kuc kud kue kuk kur kus kuu oc- occ ocd ock oco ocr ocs ocu odc odd ode odo odr ods odu oec oed oee oeo oer oes okc okd oke okk oko okr oks oku oo- ooc ood ook ooo oor oos or- orc ord ore ork oro orr ors oru os- osc osd ose osk oso osr oss osu ou- ouc oud oue ouk ouo our ous rcc rcd rce rco rcr rcs rcu rdc rdd rde rdo rdr rds rdu re- rec red ree rek reo rer res reu rkc rke rkk rko rks rku roc rod roe rok roo ror ros rou rrc rrd rrk rrr rrs rru rsc rsd rse rsk rso rsr rss rsu ruc rud rue ruk ruo rur rus ruu scc scd sce sck sco scr scs scu sdc sdd sde sdk sdo sdr sds sdu se- sec sed see sek seo ser ses seu sk- skc skd ske skk sko skr sks sku soc sod soe sok soo sor sos sou sr- src srd sre srk sro srr srs ss- ssc ssd sse ssk sso ssr sss ssu suc sud sue suk suo sur sus suu ucc ucd uce uck uco ucr ucs ucu udc udd ude udk udo udr uds udu uec ued uee uer ues ukc uke ukk ukr uku uoc uod uoe uok uoo uor uos ur- urc urd ure urk uro urr urs uru usc usd use usk uso usr uss usu uuc uue uur uus uuu

-ose -ous c-cd cccc cccs cccu ccdc ccdr ccds cced ccee ccoc ccod ccrc ccre ccrs ccsd ccss ccuc ccus cd-e cd-r cdcs cddr cdec cder cdes cdos cdre cdrs cdss cec- cece ceco cecs cedd cede cedo cedu ceec cees ceke ceor ceos ceou cer- cerc cerd cere cero cers cesc cese cesr cess ckck ckco ckcs ckdo ckdu cker ckoc ckoo ckor ckos ckrc ckrd ckso coce cock coco cocu codd code cods coed coes cok- coke coko cood cook coos cor- corc cord core cork coro corr cors cosc cose coso coss coud coue couk cour cous crcc crce crcr crdc cre- crec cred cree creo cres creu crkc croc crod croe crok croo cror crss crud crue cruk crus cscc cscd csce csco cscr cscs csdr csec csee cser csks csor csos csrc csrd csrs cssd csse cssr csur csus cucc cuce cuck cude cuds cued cuek cuer cues cuk- cuke curd cure curo curr curs cusd cusk cuso cuss cusu dccc dccs dccu dcds dcos dcrk dcsc dcss dddd ddes ddoc ddrc ddre ddss dec- decc decd dece deck deco decs dedd dede dedo dedu deed deek deer dees dek- deke deks deor deos der- derc dere derk dero derr ders des- desc dese desk deso dess desu deue deuk deur deus dkdc doce dock doco docs docu dod- dodd dode dodo dods doek doer does doke doko dood dook door doos dorc dord dore dork doro dorr dors doru dose dosk doso doss douc doud doue douk dour dous dred dree drek dres drod drou drrs drue druk drus druu dscc dscr dscs dsdr dsos dsrc dsrr dssc duce duck duco ducs dudd dude dudo duds dudu duer dues duke duku duo- duos dure durk duro duru duse dusk duur eccc ecce ecco ecdc eced eces ecko ecks eco- ecod ecos ecou ecrc ecrr ecru ecsc ecse ecss ecsu ecus eddc edde eddo edds ede- eder edes edoc edod edos edou edru edss educ edur eecs eede eedu eeee eees eeke eeks eeoc eerc eero eers eese eesk ekco eked ekek eker ekes ekos ekur eocd eode eoes eore eous ercc erce erde erds erec ered erer eres erke erks eroc erod eroe eroo eros errc erre erro errs erse erso eruc erur erus esce esco escr escs escu esds esdu esee esek eseo eser eses eske esko esks esku eso- esok esos esrd esse esso essu esus eucd eude euer euos eur- eurc eure euro euse k-os kccc kccd kcck kccr kccu kcdc kcdd kcdr kcds kcdu kcec kced kcee kceo kceu kckc kckk kcko kckr kcoe kcor kcos kcou kcrc kcro kcrr kcrs kcru kcsc kcsd kcse kcsr kcss kcsu kcue kcuk kdcc kdcd kdce kdco kdcr kddc kddd kddk kddr kdec kdkd kdkk kdko kdkr kdoc kdoe kdok kdro kdrs kdsc kdsd kdsk kdsr kdss kdsu kduc kdur kdus keck keco kecr kedc kedd kede kedo kedr keds keed keek keer kees kekc keke keko keks keku keok keos ker- kerc kere kerk kero kerr kers keru kesc kesd