cccc cccf cccl ccfc ccff ccfl cchl cclc ccoc ccow cfcf cfcl cfco cfcw cfwc cfwh chch chfc chlc choc choh chol choo chow chwo clof cloo clow coch coco cofc coff coho col- coll colo coof cooh cool cowh cowl cwfc fccf fcch ffcc ffff flcl floc floo flow foch foco fofo folc foll folo foof fool fowl fwcc fwfc hccc hcch hcfc hhcl hhhh hhof hoch hoff hohl hoho hol- holc holh holl holo holw hoof hool howf howh howl lccc lcfc lchc lfcc lhhh llcc lllc llll lloc lloo locc loch loco loff loho loll lolo looc loof lool lowh lowl loww lwfc lwoo lwow occc oclc ofcl off- offc offh offo ohcc ohho ohoh ohow olcc ollo olof ooff ooho oolo oooh oooo owch owoh owow wccc wccf wcch wccl wcco wccw wcfc wcfl wcfo wcfw wchc wchl wcho wclc wclf wclh wcll wclo wclw wcoc wcoh wcol wcoo wcwc wcwf wfcc wfcf wfch wfcl wfco wffc wfff wffh wfhl wflc wflf wfll wflo wflw wfwc wfwl wfwo whcc whcf whco whfc whfh whfw whhh whhl whho whhw whlc whlf whlh whll whlo whlw whof whol whoo whow whwc whwh wlcc wlch wlcl wlco wlfc wlff wlfh wlfl wlfw wlhc wlhh wlhw wllf wllh wlll wllw wloc wlof wloh wlol wloo wlwc wlwf wlwl wocc woch wocl woco wofc woff wofl wohc wohf wohl wolf wolh woll wolw wooc woof wool woow wowc wowf wowl wowo woww wwcf wwch wwcl wwco wwcw wwfc wwfl wwfw wwho wwlc wwlf wwll wwlw wwof wwol wwow wwwc wwwh wwwl wwww