c-cd cccc cccf ccci cccl cccs cccu ccdc ccdf ccdi ccdr ccds ccfc ccfd ccff ccfi ccfl ccic ccid ccii ccil ccir ccis cclc ccli ccls ccrc ccrf ccri ccrl ccrs ccsd ccsf ccsi ccsl ccss ccuc ccus cd-r cdcs cddl cddr cdfs cdic cdii cdis cdli cdls cdrs cdss cfcf cfcl cfcs cfds cffr cfls cfsi cfsl cicc cici cicr cics cicu cidc cidi cidr cids ciff cifl cifs ciid ciii ciis cili cill cils circ ciri cirl cirr cirs cis- cisc cisd cisl cisr ciss ciuc cius clcd cldc cldr clic clif clii clir clis clrd clri clrs clsc clud crcc crcr crdc crfc crfl crfs cric crif cris criu crlf crls crss crud crus cscc cscd cscf csci cscl cscr cscs csdr csfc csfr csid csir csis csld cslr cslu csrc csrd csrs cssd cssr csuf csur csus cucc cuci cudi cuds cufc cuff cufi cui- cuif cuil cuir cuis culc culd cull culs curd curf curi curl curr curs cusd cuss cusu dccc dcci dccl dccs dccu dcds dcfc dcfs dcii dcil dcis dcli dcls dcsc dcss dddd ddlc ddrc ddss dfcc dfcs dfcu dfds dfrf dfri dici didi dids didu dif- diff difs diii diis dilf dili dill dils dird dirl dirr dirs dis- disc disd disi diss dius dlcs dlii dlil dlis dlrs drfc dric drif dril drrs drui drus druu dscc dscr dscs dsdr dsfc dsif dsls dsrc dsri dsrr dssc dssi ducs dudd duds dudu dufc duff dufu duid duif duil duir duis dulc duli dull dulu duri duru dusi duul duur fccf fcds fcic fcii fcsc fcsl fdic fdlr ffcc ffff ffii ffrr ffss ficc fics fidc fidf fids fifc fiff fifi fiii fiil fild fili fill fils firs fisc fisd fisi fiss fisu flcl fldr flic flid flii flis flud fluf flur flus frcc frfc fric frid fril fris frsc fscc fsfi fssc fssf fuc- fuci fudd fudi fufc fuff fufu fuid fuil fuir fuli full fuls fulu fur- furi furl furr furs fusc fusd fusi fuss fusu iccc iccf icci iccl iccr iccs iccu icdc icdd icdl icis icll iclr icrc icrf icrr icrs icru icsc icsd icsi icsr icss icus idcr idfc idic idid idil idir idis idli idls idrc idrf idsc idsf idss idus ifcd ific ifid ifil ifis ifrf ifri ifsc iicd iiii iiis iirc iirs iisc iisd iisi iisr iisu iiuc ilcd ilic ilir ilis ill- illd illi ills ilud ilus ircc ircd ircs ircu irdc irds irfu iri- iric irid iril iris irrc irri irrs irsf irul irus iscc iscd isci iscr iscs iscu isdc isds isfc isic isil isis isls isri issc issf issi issr isss issu isus iucc iuds iuiu iusd iuss lccc lccs lcdd lcdr lcds lcfc lcfr lcis lcls lcrd lcrl lcrs lcsc lcsd lcsr ldcf ldci ldif ldls ldrs lfcc lfrd licr lics lidl lids liff lifl liii liir liis lili lill lils lilu lirc lird liri lirl lirr lirs liru lisd lisi liss lisu liuf lius llcc llcs lldc llds lllc llll llud lrcs lrdd lrds lrfc lric lrif lrrc lrrr ls-r lscs lsds lsfc lsid lsrc lssr luci lucs ludd ludi luff lufu luif luis luli lull lulu lurd luri lurs lusi luss rccc rccs rcdc rcds rcfc rcic rcid rcis rcls rcrd rcsc rcsd rcsi rcsl rcss rfdi rfds rffc rffl rfic rfid ricc rics ridc ridd ridi rids riff rifs rifu riif riis rill rilu riri rirs risc risd risi riss risu rius rlcs rlds rlif rlls rrfc rrif rrrr rscc rscs rsdd rsdl rsds rsfc rsid rsis rslc rssl ruci rudd rudi rudl ruds rufc ruff ruid ruif ruis rull rurc rurd ruri rurs ruru rusi russ rusu ruud s-ic s-ii sccc sccl sccs scdc scdf scds scfc scfi sci- scic scid scif scil scir scis scl- sclc scls scr- scrc scri scrs scsc scsd scsi scsl scsr scsu scud scul scur sdcc sddc sdds sdfc sdic sdif sdlc sdls sdrc sdrs sdsc sdsf sdsl sdss sdsu sfcc sfcs sfdc sffc sflc sfls sfrc sfss sfsu sicc sici sics sicu sidd sidi sidr sids siff sifl sifr sifu sil- silc sild silf sili sill sils silu sirc sirf siri sirr sirs siru sisc sisd sisi siss sisu siui sius sl-i slcc slcd slcu slds slic slid slir slrc slrs slsc slsu sluc slud slur srcc srfc srfi sris srsd sscc ssci sscs ssdc ssdd ssdf ssfc ssfl ssid ssis sslc ssrc ssri ssrl ssrs sssc sssf sssi ssss suc- succ suci sucr sucs sudd sudi suds suf- sufc suff sufi sufr sufs sufu suid suir suis sul- sulc suld sulf suli sull sulu sur- surc surd surf suri surr surs suru sus- susd susi suss susu suus ucci ucdc ucdd ucil ucrc ucsc ucsd ucsf ucsu uddi udds udic udid udir udsd udsl ufcu uirr uisd ulcc ulic ulli ullr ulul ulus urci urds urdu urff urfi uric urif uris uriu urls urri ursi urss ursu urur urus uscc uscf uscs usdc usdf usdl usds usfc usfi usfl usfs usif usis uslu ussc ussf ussr usss ussu usui usul usus uulu uuri uusi uuuu