c-cd cccc ccci cccs cccv ccdc ccdh ccdi ccdr ccds cchr cchs ccic ccid ccii ccir ccis cciv ccoc ccod ccrc ccri ccrs ccsd ccsi ccss ccvi ccvo ccvs cd-r cdcs cddr cdhs cdic cdii cdio cdis cdiv cdos cdrs cdss cdvd cdvi chch chci chcs chdi chhs chic chid chih chir chis chiv choc chod choh choi choo chor chos chov chrc chrd chro chrr chrs chsc chsh chsi chsr chvo 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 cisv civc civh civo coch coco codd codi cods coho cohs coir cois cood cooh coos cor- corc cord cori coro corr cors cosc cosh cosi coso coss covo 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 cvcc cvhs cvid cvii cvrd cvrr cvsd cvss dccc dcci dccs dccv dcds dchs dcii dcio dcis dciv dcos dcsc dcss dcvd dcvi dddd ddoc ddrc ddss dhis dhod dhor dich dici dico didi dido dids diii diis diiv dioc dior dios dird dirr dirs dis- disc disd dish disi diso diss divd divi divo divs 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 dovi drhs dric drih drod droh drrs dscc dsch dscr dscs dsdr dshs dsos dsrc dsri dsrr dssc dssi dsvd dvcs dvdr dvds dvhs dvi- dvii dvir dvor dvrs dvsr h-ii hccc hcch hccs hcdr hchi hchs hcis hcrd hcsc hcso hcss hdci hdhs hdiv hdoc hdod hdos hdri hdss hhds hhhh hhhs hi-c hi-v 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 hovi hovs hrdc hrhs hrid hrod hros hrrc hrso hscc hsci hshs hvcc hvds hvhs hvsc 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 idvd ihcc ihdr ihis ihrc ihrd ihss ihsv ihvh 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 irov irrc irri irrs irvs 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 ivdr ivic ivod ivor ivrs 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 orvr orvs oscc osci osco osdi osdv oshc oshi osho oshs osii osis osoi osoo osor osos osov osrd osro ossd ossi osso ovcs ovhd ovhs ovi- ovid ovis ovo- ovod ovoo rccc rccs rcdc rcds rchs rcic rcid rcis rcos rcrd rcsc rcsd rcsi rcss rcvr rcvs rdhs rdio rdoc rdos rdso rdvs 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 rivo rivs 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 rovi rovo rovs rrhs rrrr rscc rsch rscs rsdd rsds rshd rshs rsid rsis rsos rv-c rvhs rvvh s-ic s-ii s-iv s-os sccc sccs scdc scds sch- schh schi scho schr schs sci- scic scid scio scir scis sciv scoh scoo scor scr- scrc scri scrs scsc scsd scsh scsi scso scsr sdcc sdch sdco sdcv sddc sdds sdhd sdhs sdic sdio sdrc sdrs sdsc sdss shcc shhh shhs shid shih shii shio shir shis shiv shod shoo shor shos shri shrs shsc shvc shvi 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 sivi 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 sosv sovo sovs srcc srch srhs sris sros srsd sscc ssci sscs ssdc ssdd sshs ssid ssis ssoc ssrc ssri ssrs sssc sssh sssi ssss svcc svcs svdo svhs svic svir svod svor svsc vcci vcds vcrs vdcc vdio vdsi vdso vhhh vhhs vic- vich vici vico vics vidi vido vids vihi viii vios virc viri viro virr visc visd vish visi viso viss vivi vivo vodo voho voic void voio voir vois vooc voor vor- vord vori voro vors vosi voso voss vrci vrdi vrhs vrio vris vroc vrsi vshs vsic vssc vvhs vvvv