-ic c-- ccc cch cci cco ccw ccx ch- chc chh chi cho chw chx ci- cic cih cii cio ciw cix co- coc coh coi coo cow cox cw- cwc cwh cwi cwo cxc cxh cxi cxo cxx h-i hcc hch hci hco hcw hhc hhh hhi hho hhw hic hih hii hio hiw hix hoc hoh hoi hoo how hox hw- hwi hwo hww hxc icc ich ici ico icw ihc ihh ihi iho iic iih iii iio iiw iix io- ioc ioh ioi ioo iow iwc iwi iwo iww ixc ixi o-i oc- occ och oci oco ocw ocx ohc ohh ohi oho oic oii oio oo- ooc ooh ooi ooo oow oox owc owh owi owo oww ox- oxc oxi oxo oxx wcc wch wci wco wcw wcx wh- whc whh whi who whw wic wii wix woc woh woi woo wow wox wwc wwi wwo www wxc wxw xch xci xcx xic xii xio xix xoc xoi xoo xox xxi xxo xxx