-ic c-- ccc cch cci cco ccp ccx ch- chc chh chi cho chp chx chy ci- cic cih cii cio cip cix co- coc coh coi coo cop cox coy cpc cph cpi cpo cpp cpx cxc cxh cxi cxo cxp cxx cyc cyo cyp h-i hcc hch hci hco hcp hcy hhc hhh hhi hho hhp hhy hic hih hii hio hip hix hoc hoh hoi hoo hop hox hoy hpc hph hpi hpo hpp hpy hxc hy- hyc hyh hyi hyo hyp hyy icc ich ici ico icp icy ihc ihh ihi iho ihp ihy iic iih iii iio iip iix io- ioc ioh ioi ioo iop ipc ipi ipo ipp ipx ipy ixc ixi ixy iyc iyo iyy o-i oc- occ och oci oco ocp ocx ohc ohh ohi oho ohp oic oii oio oip oo- ooc ooh ooi ooo oop oox op- opc oph opi opo opp opx opy ox- oxc oxi oxo oxx oxy oyi oyo p-p pcc pch pci pco pcp pcx phc phi pho php phx phy pic pih pii pio pip pix poc poh poi poo pop pox poy ppc pph ppi ppo ppp ppx pxc py- pyc pyo pyx xch xci xcp xcx xhp xic xii xio xix xoc xoi xoo xop xox xpc xpo xpp xxi xxo xxp xxx xxy xyp xyy ycc ych yci yco ycp ycy yhc yhi yih yii yio yip yoc yoi yoo yop yox yoy ypo yxy yyc yyy