-th c-- ccc cch cck ccm cco cct ch- chc chh chk chm cho cht ckc ckh ckm cko ckt cmc cmh cmk cmm cmo cmt co- coc coh cok com coo cot ctc cth ctk ctm cto ctt hcc hch hck hcm hco hct hhc hhh hhk hhm hho hht hkh hkk hkm hko hkt hmc hmh hmk hmm hmo hmt hoc hoh hok hom hoo hot htc hth htk htm hto htt k-t kcc kch kck kcm kct khh khk khm kho kkc kkh kkk kkm kkt kmc kmh kmk kmm kmo kmt koc koh kok kom koo kot ktc kth ktk ktm kto ktt m-o mc- mcc mch mck mcm mco mct mhc mhh mhk mhm mho mht mkc mkh mkk mkm mko mkt mmc mmh mmk mmm mmo mmt moc moh mok mom moo mot mtc mth mtk mtm mto mtt oc- occ och ock ocm oco oct ohc ohh ohm oho oht okc okk oko om- omc omh omm omo omt oo- ooc ooh ook oom ooo oot ot- otc oth otk otm oto ott tcc tch tck tcm tco tct th- thc thh thk thm tho tht tkc tkk tkm tko tkt tmc tmh tmk tmm tmo tmt to- toc toh tok tom too tot ttc tth ttk ttm tto ttt