cccc cccl cchl cchy cclc ccoc cctc cctl cctt chch chlc chlt choc choh chol choo choy chto chtt chy- chyc cloo clot cloy cltc cly- coch coco coct coho col- coll colo colt coly cooh cool coot cotc coth coto cott coty coyl coyo coyt ctol ctot cyc- cycc cycl cyl- cylc cyll cyt- cyto cyy- cyyc hccc hcch hhcl hhhh hlly hoch hohl hoho hol- holc holh holl holo holt holy hool hoot hoth hotl hoto hott hoyt htcc htoh htol hyl- hyll hylo hylt hyly hyo- lccc lchc lctl lcto lhhh llcc lllc llll lloc lloo locc loch loco loho loll lolo loly looc lool loot loth lotl loto lott ltcc lttc lyc- lych lyco lyht lyly lyo- lyot lyth lyto lytt occc occt ocht oclc oct- octo octy ohcc ohho ohly ohoh ohto ohyo olcc ollo olly olot ooho oolo oooh oooo ooty otcl otho oto- otoh otoo otoy otto oych oyly tccc tch- tchh tcho tctc thch thoo thot thyh tlco to-y toch toco toho tol- toll tolo tolt toly tooh tool toot totc toth toto tott toty toyl toyo toyt ttoy tttt ttyl tyco tyht tyl- tyll tylo tyto tytt tyty yccc ycch yctc yoch yoho yoll yolo yoly yool yoot yott yoyo ytch ytht yyyy