cccc cccl ccgc ccgt cchl cclc cclg ccoc cctc cctl cctt cgcc cgcg cgtl chch chlc chlt choc choh chol choo chto chtt clog cloo clot cltc coch coco coct cogh cogo coho col- coll colo colt cooh cool coot cotc coth coto cott ctlg ctol ctot gc-c gccc gclc gctc ggcl gggg gghg ghll ghol glcc glog gloh glot goch gogh gogo goll golo golt goog gool goot goth gotl goto gott gtco hccc hcch hcgh hggc hgtc hhcl hhgg hhhh hoch hogg hogh hogl hogo hohl hoho hol- holc holh holl holo holt hool hoot hoth hotl hoto hott htcc htgl htoh htol lccc lchc lctl lcto lgth lhhh llcc llgc lllc llll lloc lloo locc loch loco log- logh logo loho loll lolo looc lool loot loth lotl loto lott ltcc ltcg lttc occc occt ocht oclc oct- octo oght ogog ohcc ohho ohoh ohto olcc olgc ollo olog olot ooho oolo oooh oooo otcl otho oto- otog otoh otoo otto tccc tch- tchh tcho tctc tgcc tgtc thch thog thoo thot tlco tlgc toch toco togh togo togt toho tol- toll tolo tolt tooh tool toot totc toth toto tott tttt