c-cd cccc ccci cccs cccv ccdc ccdi ccds ccic ccid ccii ccis cciv ccsd ccsi ccss ccvi ccvs cdcs cdic cdii cdis cdiv cdss cdvd cdvi cicc cici cics cidc cidi cids ciid ciii ciis cis- cisc cisd ciss cisv civc cscc cscd csci cscs csid csis cssd cvcc cvid cvii cvsd cvss dccc dcci dccs dccv dcds dcii dcis dciv dcsc dcss dcvd dcvi dddd ddss dici didi dids diii diis diiv dis- disc disd disi diss divd divi divs dscc dscs dssc dssi dsvd dvcs dvds dvi- dvii iccc icci iccs icdc icdd icis icsc icsd icsi icss idic idid idis idsc idss idvd iicd iiii iiis iisc iisd iisi iscc iscd isci iscs isdc isds isic isis issc issi isss ivic s-ic s-ii s-iv sccc sccs scdc scds sci- scic scid scis sciv scsc scsd scsi sdcc sdcv sddc sdds sdic sdsc sdss sicc sici sics sidd sidi sids sisc sisd sisi siss sivi sscc ssci sscs ssdc ssdd ssid ssis sssc sssi ssss svcc svcs svic svsc vcci vcds vdcc vdsi vic- vici vics vidi vids viii visc visd visi viss vivi vsic vssc vvvv