c-cd cccc ccci cccs ccdc ccdh ccdi ccds cchs ccic ccid ccii ccis ccoc ccod ccsd ccsi ccss ccst cctc cctt cdcs cdhs cdic cdii cdio cdis cdos cdot cdss chch chci chcs chdi chhs chic chid chih chis chit choc chod choh choi choo chos chsc chsh chsi chst chto chtt cicc cich cici cico cics cict cidc cidi cids cidt cihs ciht ciid ciii ciis ciit cios cis- cisc cisd cish ciss cist cith citi cito cits citt coch coco coct codd codi cods coho cohs cois coit cood cooh coos coot cosc cosh cosi coso coss cost cotc coth coti coto cots cott cscc cscd csch csci csco cscs cshs csid csio csis csit csos csot cssd cstc cstd csto csts cths ctic ctos ctot ctsc ctss ctts dccc dcci dccs dcct dcds dchs dcii dcio dcis dcos dcsc dcss dctc dcts dddd ddoc ddot ddss ddts dhis dhod dich dici dico dict didi dido dids diii diis dioc dios diot dis- disc disd dish disi diso diss dist dith diti dito dits ditt doch doci doco docs doct dod- dodd dodi dodo dods dohc dohs doid dois doit dood doos doot dosh dosi doso doss dost dotd doth doti doto dots dott dscc dsch dscs dshs dsos dssc dssi dsst dstc dsto dsts dtcc dthd dtot dtss h-ii hccc hcch hccs hchi hchs hcis hcsc hcso hcss hcst hdci hdhs hdoc hdod hdos hdss hdtt hhds hhhh hhhs hi-c hicc hich hico hics hidi hids hihc hihi hiho hiht hiis hiit hioc hisd hish hiss hist hitc hiti hito hits hitt hoch hocs hodh hodi hods hoho hoid hois hoit hood hoos hoot hosh hoss host hotd hoth hoti hoto hots hott hscc hsci hsct hshs hsts htcc hths htoh htsc iccc icci icco iccs icct icdc icdd ichc ichd ichi icho ichs icis icoc icod icos icsc icsd icsh icsi icss icst icts iddo idic idid idio idis idoc idos idsc idso idss idts ihcc ihis ihit ihss ihtc iicd iiht iiii iiio iiis iiit iioi iioo iios iisc iisd iisi iist iitt ioci iod- iodd iodo ioii ioio ioit iooi iooo ioos ioso ioto iscc iscd isch isci isco iscs isct isdc isds ishi ishs isic isis isit iso- isoc isos issc issh issi isso isss istc istd isth isti isto ists itch itcs itdo ithc iths itic itis itoh itoi itoo itos itsi itso itto occc occi occt ocds ochi ochs ocht ocis ocos oct- octi octo octs odci oddd oddi odds odic odio odis odoh odoo odos odot odso odts ohcc ohhi ohho ohhs ohid ohio ohis ohoh ohos ohso ohss ohto oici oido oids oiii oios oisc oisd oist oitc oiti oodi ooho oohs ooid oooh oooo ooos oosi oost oots oscc osci osco osdi oshc oshi osho oshs osii osis osoi osoo osos ossd ossi osso ostc osti osts otcd otho oths otic otis otit oto- otoh otoo otos otso otti otto otts s-ic s-ii s-os sccc sccs scct scdc scds sch- schh schi scho schs sci- scic scid scio scis scit scoh scoo scot scsc scsd scsh scsi scso scst sctc sctd scto scts sdcc sdch sdco sddc sdds sdhd sdhs sdic sdio sdot sdsc sdss shcc shhh shhs shid shih shii shio shis shit shod shoo shos shot shsc shts sicc sich sici sico sics sidd sidh sidi sido sids sihi sihs siht siit siod sios siot sisc sisd sish sisi siss sist sit- sitc sitd sith siti sito sits sitt soch soci soco socs sodd sodo sods sohh soho sohs soic sois soit sood soos soot sosh sosi soso soss sost sotc soth soto sots sscc ssci sscs ssdc ssdd sshs ssid ssis ssit ssoc ssot sssc sssh sssi ssss sstc sstd ssth ssts stcc stch stcs stds sths stic stid stih stio stis stit stod stoo stos stot stsi stss sttc sttd tccc tcdd tch- tchh tchi tcho tchs tcos tcsh tctc tcts tdhs tdis tdss thch thds thi- thic thio this thoo thos thot thsd thss thts ticc tich tico tics tidc tidd tids tiht tiit tios tish tisi tiso tiss tist titc tith titi tito tits titt toch toci toco todd todi todo tods todt tohi toho toid tois toit tood tooh toos toot tosc tosh tosi toso toss tost totc totd toth toti toto tots tott tscc tshi tshs tsid tsis tsoi tsos tssi tsst tstc tsts ttss tttt