-er -ic c-- ccc ccd cce cci cck ccr ccs cdc cdd cde cdi cdk cdr cds ce- cec ced cee cei cek cer ces ci- cic cid cie cii cik cir cis ckc ckd cki cks crc crd cre cri crk crr crs csc csd cse csi csk csr css dcc dcd dce dci dck dcr dcs ddc ddd dde ddi ddk ddr dds de- dec ded dee dei dek der des di- dic did die dii dik dir dis dkc dke dki dkk dkr dks drc drd dre dri drk drr drs dsc dsd dse dsi dsk dsr dss ec- ecc ecd ece eci eck ecr ecs ed- edc edd ede edi edk edr eds eec eed eee eek eer ees eic eid eie eii eik eir eis ekc ekd eke eki ekr eks erc erd ere eri erk err ers es- esc esd ese esi esk esr ess i-d icc icd ice ici ick icr ics idc idd ide idi idk idr ids ie- iec ied iee iei iek ier ies iic iid iie iii iir iis ikc ike iki ikk ikr iks ir- irc ird ire iri irk irr irs is- isc isd ise isi isk isr iss kcc kcd kce kci kck kcr kcs kdc kde kdk kdr kds ke- kec ked kee kei kek ker kes kic kid kie kii kik kir kis kkc kke kki kkk kkr kks krc krd kri krk krr krs ksc ksd kse ksi ksk ksr kss rcc rcd rce rci rcr rcs rdc rdd rde rdi rdr rds re- rec red ree rei rek rer res ric rid rie rii rik rir ris rkc rke rkk rks rrc rrd rri rrk rrr rrs rsc rsd rse rsi rsk rsr rss scc scd sce sci sck scr scs sdc sdd sde sdi sdk sdr sds se- sec sed see sei sek ser ses sic sid sie sii sik sir sis sk- skc skd ske ski skk skr sks sr- src srd sre sri srk srr srs ss- ssc ssd sse ssi ssk ssr sss

c-cd cccc ccci cccs ccdc ccdi ccdr ccds cced ccee ccic ccid ccii ccir ccis ccrc ccre ccri ccrs ccsd ccsi ccss cd-e cd-r cdcs cddr cdec cder cdes cdic cdii cdis cdre cdrs cdss cec- cece ceci cecs cedd cede cedi ceec cees ceke cer- cerc cerd cere ceri cers cesc cese cesi cesr cess cicc cici cicr cics cidc cide cidi cidr cids ciee cier cies ciid ciii ciis cikr circ cire ciri cirk cirr cirs cis- cisc cisd cise cisk cisr ciss ckck ckcs cker ckrc ckrd crcc crce crcr crdc cre- crec cred cree crei cres cric crie crik cris crkc crss cscc cscd csce csci cscr cscs csdr csec csee cser csid csik csir csis csks csrc csrd csrs cssd csse cssr dccc dcci dccs dcds dcii dcis dcrk dcsc dcss dddd ddes ddie ddrc ddre ddss dec- decc decd dece deci deck decs dedd dede dedi deed deek deer dees deid deie deir deis dek- deke deks der- derc dere deri derk derr ders des- desc dese desi desk dess dice dici dick dide didi dids died dier dies diii diis dike diki dird dire dirk dirr dirs dis- disc disd dise disi disk diss dkdc dkid dred dree drei drek dres dric drie drrs dscc dscr dscs dsdr dsei dsrc dsri dsrr dssc dssi eccc ecce ecci ecdc eced eces ecis ecks ecrc ecri ecrr ecsc ecse ecss eddc edde eddi edds ede- edei eder edes edie edik edis edss eecs eede eeee eees eeke eeks eerc eers eese eesi eesk eick eics eid- eide eidi eidr eiec eied eiei eier eies eike eiki eiks eird eire eirs eisd eise eisk eiss eked ekek eker ekes ekis ekki eksi ercc erce erde erdi erds erec ered erei erer eres eric erie erik eris erke erki erks errc erre errs erse ersi esce esci escr escs esdi esds esee esek eser eses esie esik esis eske esks esrd esri esse essi iccc icci iccr iccs icdc icdd icde icec iced icee icer ices icis icke icks icrc icre icrr icrs icsc icsd icse icsi icsr icss idce idcr idec ided idee ider ides idic idid idie idir idis idrc idre idsc idse idss iecc iedr ieds ieie iere ieri iers iesc iesi iesr iicd iide iied iies iiie iiii iiis iirc iirs iisc iisd iisi iisr ikee iker ikes ikid ikki ikri ircc ircd ircs irdc irds ired iree irer ires iri- iric irid irie iris irki irks irrc irre irri irrs irse iscc iscd isci iscr iscs isdc isde isds isec ised isee iser ises isic isie isis isri issc isse issi issr isss k-ci k-id kccc kccd kcci kcck kccr kcdc kcdd kcdi kcdr kcds kcec kced kcee kcei kcic kcid kcie kcii kcir kcis kckc kckk kckr kcrc kcri kcrr kcrs kcsc kcsd kcse kcsi kcsr kcss kdcc kdcd kdce kdcr kddc kddd kddi kddk kddr kdec kdei kdic kdis kdkd kdkk kdkr kdri kdrs kdsc kdsd kdsk kdsr kdss keck kecr kedc kedd kede kedi kedr keds keed keek keer kees keid keii keik keir keis kekc keke keki keks ker- kerc kere keri kerk kerr kers kesc kesd kesi kesk kesr kess kicc kicd kice kick kicr kics kidd kide kidi kidk kidr kids kier kies kiic kiid kiii kiik kiis kikc kikd kiki kikk kikr kirc kiri kirk kirr kirs kisc kisd kise kisi kisk kisr kiss kkcd kkci kkck kkcr kkcs kkdc kkdd kked kkic kkid kkik kkkk kkrc kkre kkrk kkrr kkrs kksd kkse kksi kksr kkss krcc krcd krce krci krcs krdc krdd krde krdr krds krec kred kree krei krek kres krid krik kris krkc krkd krke krki krkk krkr krks krrc krre krri krrk krrr krrs krsc krsd krse krsk krsr krss ksce ksci ksck kscr kscs ksdc ksdi ksdk ksdr ksds ksec ksed ksee ksei ksek kser ksid ksii ksik ksir ksis kskd kske kskk kskr ksks