c-cd cccc ccci cccs ccdc ccdh ccdi ccdr ccds cchr cchs ccic ccid ccii ccir ccis ccoc ccod ccrc ccri ccrs ccsd ccsi ccss cd-r cdcs cddr cdhs cdic cdii cdio cdis cdos cdrs cdss chch chci chcs chdi chhs chic chid chih chir chis choc chod choh choi choo chor chos chrc chrd chro chrr chrs chsc chsh chsi chsr cicc cich cici cico cicr cics cidc cidi cidr cids cihr cihs ciid ciii ciis cior cios circ cirh ciri ciro cirr cirs cis- cisc cisd cish cisr ciss coch coco codd codi cods coho cohs coir cois cood cooh coos cor- corc cord cori coro corr cors cosc cosh cosi coso coss crcc crcr crdc crhs cric cris croc crod croh croo cror crss cscc cscd csch csci csco cscr cscs csdr cshs csid csio csir csis csor csos csrc csrd csrs cssd cssr dccc dcci dccs dcds dchs dcii dcio dcis dcos dcsc dcss dddd ddoc ddrc ddss dhis dhod dhor dich dici dico didi dido dids diii diis dioc dior dios dird dirr dirs dis- disc disd dish disi diso diss doch doci doco docs dod- dodd dodi dodo dods dohc dohr dohs doid dois dood door doos dorc dord dori doro dorr dors dosh dosi doso doss drhs dric drih drod droh drrs dscc dsch dscr dscs dsdr dshs dsos dsrc dsri dsrr dssc dssi h-ii hccc hcch hccs hcdr hchi hchs hcis hcrd hcsc hcso hcss hdci hdhs hdoc hdod hdos hdri hdss hhds hhhh hhhs hi-c hicc hich hico hics hidi hids hihc hihi hiho hiis hioc hird hiri hiro hirs hisd hish hiss hoch hocr hocs hodh hodi hodr hods hoho hoid hoir hois hood hoor hoos horc hord hori horo horr hors hosh hoss hrdc hrhs hrid hrod hros hrrc hrso hscc hsci hshs iccc icci icco iccr iccs icdc icdd ichc ichd ichi icho ichr ichs icis icoc icod icor icos icrc icrr icrs icsc icsd icsh icsi icsr icss idcr iddo idic idid idio idir idis idoc idos idrc idro idsc idso idss ihcc ihdr ihis ihrc ihrd ihss iicd iiii iiio iiis iioi iioo iios iirc iirs iisc iisd iisi iisr ioci iod- iodd iodo ioii ioio iooi iooo ioos iori iors ioso ircc ircd ircs irdc irdo irds irhs iri- iric irid irio iris iroc irod iroh irrc irri irrs iscc iscd isch isci isco iscr iscs isdc isds ishi ishr ishs isic isis iso- isoc isor isos isri issc issh issi isso issr isss occc occi ocds ochi ochs ocis ocos ocro ocrr ocrs odci oddd oddi odds odic odio odir odis odoh odoo odor odos odso ohcc ohhi ohho ohhs ohid ohio ohis ohoh ohos ohso ohss oici oido oids oiii oios oisc oisd oocr oodi ooho oohs ooid oooh oooo ooos oord oosi orch orci orco orcs ordo ords orhs ori- oric orid orio oris oro- oror oros orri orro orrs orsi orso oscc osci osco osdi oshc oshi osho oshs osii osis osoi osoo osor osos osrd osro ossd ossi osso rccc rccs rcdc rcds rchs rcic rcid rcis rcos rcrd rcsc rcsd rcsi rcss rdhs rdio rdoc rdos rdso rhhs rhio rhoc rhod rhoh rhos ricc rich rico rics ridc ridd ridi rido rids riho rihs riis rios riri rirs risc risd rish risi riso riss rocc roch roco rocs rodd rodi rodo rods rohr rohs roid roio roir rois rood rooi roor roos rorc rori roro rosc rosh rosi roso ross rrhs rrrr rscc rsch rscs rsdd rsds rshd rshs rsid rsis rsos s-ic s-ii s-os sccc sccs scdc scds sch- schh schi scho schr schs sci- scic scid scio scir scis scoh scoo scor scr- scrc scri scrs scsc scsd scsh scsi scso scsr sdcc sdch sdco sddc sdds sdhd sdhs sdic sdio sdrc sdrs sdsc sdss shcc shhh shhs shid shih shii shio shir shis shod shoo shor shos shri shrs shsc sicc sich sici sico sics sidd sidh sidi sido sidr sids sihi sihr sihs siod sior sios sirc siri siro sirr sirs sisc sisd sish sisi siss soch soci soco socr socs sodd sodo sods sohh soho sohs soic soir sois sood soor soos sord sorh sori soro sorr sors sosh sosi soso soss srcc srch srhs sris sros srsd sscc ssci sscs ssdc ssdd sshs ssid ssis ssoc ssrc ssri ssrs sssc sssh sssi ssss