c-cd cccc ccci cccs ccdc ccdh ccdi ccdr ccds cchr cchs ccic ccid ccii ccir ccis cciw ccoc ccod ccow 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 chow chrc chrd chro chrr chrs chrt chrw chsc chsh chsi chsr chst chsw chto chtr chtt chwo 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 ciws ciww 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 cotw cowd cowh cows cowt crcc crcr crdc crhs cric cris crit croc crod croh croo cror crot crow crrt crss crst crtc crts crwd 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 csws cths ctic ctor ctos ctot ctrc ctrs ctsc ctss ctts cttw cwis cwos cwot cwrw cwts dccc dcci dccs dcct dcds dchs dcii dcio dcis dcos dcsc dcss dctc dcts dddd ddoc ddot ddrc ddss ddts dhis dhod dhor dhow 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 dowd dowr dows dowt drhs dric drih drit drod droh drot drow drrs dscc dsch dscr dscs dsdr dshs dsos dsrc dsri dsrr dssc dssi dsst dstc dsto dsts dtcc dthd dtor dtot dtss dwct dwcw dwdd dwhs dwi- dwic dwid dwis dwor dwrd dwrt dwrw dwsr dwst dwti dwts dwww h-ii hccc hcch hccs hcdr hchi hchs hcis hcrd hcsc hcso hcss hcst hdci hdhs hdoc hdod hdos hdri hdss hdtt hdwd 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 hiwi hoch hocr hocs hodh hodi hodr hods hoho hoid hoir hois hoit hood hoor hoos hoot horc hord hori horo horr hors hort horw hosh hoss host hotd hoth hoti hoto hotr hots hott hotw howd howh howi howr hows howt hrdc hrhs hrid hrit hrod hros hrrc hrso hscc hsci hsct hshs hsts htcc hths htoh htsc httr hwts iccc icci icco iccr iccs icct icdc icdd ichc ichd ichi icho ichr ichs icis icoc icod icor icos icrc icrr icrs icrt icrw icsc icsd icsh icsi icsr icss icst icts icws 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 iiwi 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 iswc itch itcs itdo ithc iths itic itis itoh itoi itoo itor itos itri itrs itsi itso itto iwcc iwho iwis iwiw occc occi occt ocds ochi ochs ocht ocis ocos ocro ocrr ocrs ocsw 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 ohow 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 ootw 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 orwo oscc osci osco osdi oshc oshi osho oshs osii osis osoi osoo osor osos osow osrd osro ossd ossi osso ostc osti ostr osts otcd otho othr oths otic otis otit oto- otoh otoo otor otos otow otro otrs otso otti otto otts otwo owch owir owoh owow owt- owth owtt rccc rccs rcdc rcds rchs rcic rcid rcis rcos rcrd rcsc rcsd rcsi rcss rctc rcti rcts rdhs rdio rdoc rdos rdso rhhs rhio rhiw 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 riwo rocc roch roco rocs rodd rodi rodo rods rodw 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 rowd rowh rowi rowr rows rowt roww rrhs rrrr rscc rsch rscs rsdd rsds rshd rshs rsid rsis rsos rsts rtcc rtdt rths rtss rtts rwch rwcs rwdi s-ic s-ii s-os sccc sccs scct scdc scds sch- schh schi scho schr schs schw sci- scic scid scio scir scis scit scoh scoo scor scot scow 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 show shri shrs shsc shts shwr sicc sich