cccc cccl ccgc ccgt cclc cclg ccoc cctc cctl cctt cgcc cgcg cgtl clog cloo clot cloy cltc cly- coco coct cogo col- coll colo colt coly cool coot cotc coto cott coty coyl coyo coyt ctlg ctol ctot cyc- cycc cycl cyl- cylc cyll cyt- cyto cyy- cyyc gc-c gccc gclc gctc ggcl gggg glcc glog glot gloy glyc glyg glyt gogo goll golo golt goog gool goot gotl goto gott goty goyt gtco gyll gylt gytt lccc lctl lcto llcc llgc lllc llll lloc lloo locc loco log- logo logy loll lolo loly looc lool loot lotl loto lott ltcc ltcg lttc lyc- lyco lyly lyo- lyot lyto lytt occc occt oclc oct- octo octy oggy ogog ogyl olcc olgc ollo olly olog olot oolo oooo ooty otcl oto- otog otoo otoy otto otyg oyly tccc tctc tgcc tgtc tlco tlgc to-y toco togo togt tol- toll tolo tolt toly tool toot totc toto tott toty toyl toyo toyt ttoy tttt ttyl tyco tyl- tyll tylo tyto tytt tyty yccc yctc ygot yogo yoll yolo yoly yool yoot yott yoyo yyyy