c-cd cccc ccci cccs ccdc ccdh ccdi ccdr ccds cchr cchs ccic ccid ccii ccir ccis ccoc ccod ccrc ccri ccrs ccrt ccsd ccsi ccss ccst cctc cctt cd-r cdcs cddr cdhs cdic cdii cdio cdis cdos cdot cdrs cdss chch chci chcs chdi chhs chic chid chih chir chis chit choc chod choh choi choo chor chos chrc chrd chro chrr chrs chrt chsc chsh chsi chsr chst chto chtr chtt cicc cich cici cico cicr cics cict cidc cidi cidr cids cidt cihr cihs ciht ciid ciii ciis ciit cior cios circ cirh ciri ciro cirr cirs cirt cis- cisc cisd cish cisr ciss cist cith citi cito cits citt coch coco coct codd codi cods coho cohs coir cois coit cood cooh coos coot cor- corc cord cori coro corr cors cort cosc cosh cosi coso coss cost cotc coth coti coto cots cott crcc crcr crdc crhs cric cris crit croc crod croh croo cror crot crrt crss crst crtc crts cscc cscd csch csci csco cscr cscs csdr cshs csid csio csir csis csit csor csos csot csrc csrd csrs cssd cssr cstc cstd csto cstr csts cths ctic ctor ctos ctot ctrc ctrs ctsc ctss ctts dccc dcci dccs dcct dcds dchs dcii dcio dcis dcos dcsc dcss dctc dcts dddd ddoc ddot ddrc ddss ddts dhis dhod dhor dich dici dico dict didi dido dids diii diis dioc dior dios diot dird dirr dirs dirt dis- disc disd dish disi diso diss dist dith diti dito dits ditt doch doci doco docs doct dod- dodd dodi dodo dods dohc dohr dohs doid dois doit dood door doos doot dorc dord dori doro dorr dors dort dosh dosi doso doss dost dotd doth doti doto dots dott drhs dric drih drit drod droh drot drrs dscc dsch dscr dscs dsdr dshs dsos dsrc dsri dsrr dssc dssi dsst dstc dsto dsts dtcc dthd dtor dtot dtss h-ii hccc hcch hccs hcdr hchi hchs hcis hcrd hcsc hcso hcss hcst hdci hdhs hdoc hdod hdos hdri hdss hdtt hhds hhhh hhhs hi-c hicc hich hico hics hidi hids hihc hihi hiho hiht hiis hiit hioc hird hiri hiro hirs hirt hisd hish hiss hist hitc hiti hito hits hitt hoch hocr hocs hodh hodi hodr hods hoho hoid hoir hois hoit hood hoor hoos hoot horc hord hori horo horr hors hort hosh hoss host hotd hoth hoti hoto hotr hots hott hrdc hrhs hrid hrit hrod hros hrrc hrso hscc hsci hsct hshs hsts htcc hths htoh htsc httr iccc icci icco iccr iccs icct icdc icdd ichc ichd ichi icho ichr ichs icis icoc icod icor icos icrc icrr icrs icrt icsc icsd icsh icsi icsr icss icst icts idcr iddo idic idid idio idir idis idoc idos idrc idro idsc idso idss idts ihcc ihdr ihis ihit ihrc ihrd ihss ihtc iicd iiht iiii iiio iiis iiit iioi iioo iios iirc iirs iisc iisd iisi iisr iist iitr iitt ioci iod- iodd iodo ioii ioio ioit iooi iooo ioos iori iors ioso ioto ircc ircd ircs irdc irdo irds irhs iri- iric irid irio iris iroc irod iroh irrc irri irrs irti irts iscc iscd isch isci isco iscr iscs isct isdc isds ishi ishr ishs isic isis isit iso- isoc isor isos isri issc issh issi isso issr isss istc istd isth isti isto istr ists itch itcs itdo ithc iths itic itis itoh itoi itoo itor itos itri itrs itsi itso itto occc occi occt ocds ochi ochs ocht ocis ocos ocro ocrr ocrs oct- octi octo octs odci oddd oddi odds odic odio odir odis odoh odoo odor odos odot odso odts ohcc ohhi ohho ohhs ohid ohio ohis ohoh ohos ohso ohss ohto oici oido oids oiii oios oirt oisc oisd oist oitc oiti oocr oodi ooho oohs ooid oooh oooo ooos oord oort oosi oost oots orch orci orco orcs ordo ords orhs ori- oric orid orio oris orit oro- oror oros orot orri orro orrs orsi orso ortc orth orto orts oscc osci osco osdi oshc oshi osho oshs osii osis osoi osoo osor osos osrd osro ossd ossi osso ostc osti ostr osts otcd otho othr oths otic otis otit oto- otoh otoo otor otos otro otrs otso otti otto otts rccc rccs rcdc rcds rchs rcic rcid rcis rcos rcrd rcsc rcsd rcsi rcss rctc rcti rcts rdhs rdio rdoc rdos rdso rhhs rhio rhoc rhod rhoh rhos ricc rich rico rics rict ridc ridd ridi rido rids riho rihs riht riis rios riot riri rirs risc risd rish risi riso riss rist rith riti rito rits ritt rocc roch roco rocs rodd rodi rodo rods rohr rohs roid roio roir rois roit rood rooi roor roos root rorc rori roro rort rosc rosh rosi roso ross rost rotc roth roti roto rotr rots rott rrhs rrrr rscc rsch rscs rsdd rsds rshd rshs rsid rsis rsos rsts rtcc rtdt rths rtss rtts s-ic s-ii s-os sccc sccs scct scdc scds sch- schh schi scho schr schs sci- scic scid scio scir scis scit scoh scoo scor scot scr- scrc scri scrs scsc scsd scsh scsi scso scsr scst sctc sctd scto sctr scts sdcc sdch sdco sddc sdds sdhd sdhs sdic sdio sdot sdrc sdrs sdsc sdss shcc shhh shhs shid shih shii shio shir shis shit shod shoo shor shos shot shri shrs shsc shts sicc sich sici sico sics sidd sidh sidi sido sidr sids sihi sihr sihs siht siit siod sior sios siot sirc siri siro sirr sirs sirt sisc sisd sish sisi siss sist sit- sitc sitd sith siti sito sits sitt soch soci soco socr socs sodd sodo sods sohh soho sohs soic soir sois soit sood soor soos soot sord sorh sori soro sorr sors sort sosh sosi soso soss sost sotc soth soto sots srcc srch srct srhs sris sros srsd srtr sscc ssci sscs ssdc ssdd sshs ssid ssis ssit ssoc ssot ssrc ssri ssrs