cccc ccci cccl cchl cchy ccic ccii ccil cclc ccli ccoc cctc cctl cctt chch chci chic chih chil chit chlc chlt choc choh choi chol choo choy chto chtt chy- chyc cicc cich cici cico cict ciht ciii ciit cili cill cilo cilt cith citi citl cito citt city clic clii clio clit cloo clot cloy cltc cly- coch coco coct coho coil coit col- coli coll colo colt coly cooh cool coot cotc coth coti coto cott coty coyl coyo coyt ctic ctol ctot cyc- cycc cycl cyl- cylc cyll cyt- cyto cyy- cyyc h-ii hccc hcch hchi hhcl hhhh hi-c hicc hich hico hihc hihi hiho hiht hiil hiit hili hill hilo hilt hily hioc hitc hiti hito hitt hiyo hlly hoch hohl hoho hoil hoit hol- holc holh holi holl holo holt holy hool hoot hoth hoti hotl hoto hott hoyi hoyt htcc htoh htol hyl- hyll hylo hylt hyly hyo- iccc icci iccl icco icct ichc ichi icho ichy icll icoc ihcc ihit ihtc iihl iiht iiii iiio iiit iioi iioo iitt ilic ilio ilit ill- illi illo illt illy iloc iloo ilot ioci ioii ioio ioit iolo iooi iooo ioto itch ithc itic itil itll itoh itoi itol itoo itto itty lccc lchc lctl lcto lhhh lich lico lict lih- lihi liho liht liii lili lill lilo lilt lily lio- lith liti litl lito litt lity liyl llcc lllc llll lloc lloo locc loch loci loco lohi loho loic loit loli loll lolo loly looc lool loot loth loti lotl loto lott ltcc ltci lttc lyc- lych lyco lyht lyit lyly lyo- lyot lyth lyto lytt occc occi occt ochi ocht oclc oct- octi octo octy ohcc ohhi ohho ohio ohly ohoh ohto ohyo oici oiii oily oitc oiti oiyl olcc olic olio olit olli ollo olly olot ooho oolo oooh oooo ooty otcl otho otic otit oto- otoh otoo otoy otti otto oych oyly tccc tch- tchh tchi tcho tctc thch thi- thic thil thio thoo thot thyh ticc tich tico tiht tiit tilh till tilo tilt tily titc tith titi tito titt tiyi tiyo tlco tlli to-y toch toci toco tohi toho toil toit tol- toli toll tolo tolt toly tooh tool toot totc toth toti toto tott toty toyl toyo toyt ttoy tttt ttyl tyco tyht tyl- tyll tylo tyti tyto tytt tyty yccc ycch yctc yhit yili yill yilt yiti ylli yoch yoho yoit yoli yoll yolo yoly yool yoot yott yoyo ytch ytht yyyy