-ic -th c-- ccc cch cci cco ccr cct ccx ch- chc chh chi cho chr cht chx ci- cic cih cii cio cir cit cix co- coc coh coi coo cor cot cox crc crh cri cro crr crt crx ctc cth cti cto ctr ctt ctx cxc cxh cxi cxo cxr cxt cxx h-i hcc hch hci hco hcr hct hhc hhh hhi hho hhr hht hic hih hii hio hir hit hix hoc hoh hoi hoo hor hot hox hr- hrc hrh hri hro hrr hrt htc hth hti hto htr htt htx hxc icc ich ici ico icr ict ihc ihh ihi iho ihr iht iic iih iii iio iir iit iix io- ioc ioh ioi ioo ior iot ir- irc iri iro irr irt irx itc ith iti ito itt itx ixc ixi o-i oc- occ och oci oco ocr oct ocx ohc ohh ohi oho ohr oht oic oii oio oir oit oo- ooc ooh ooi ooo oor oot oox or- orc orh ori oro orr ort orx ot- otc oth oti oto otr ott ox- oxc oxi oxo oxt oxx rcc rch rci rco rcr rct rcx rh- rhc rhh rhi rho rhr rht ric rih rii rio rir rit rix roc roh roi roo ror rot rox rrc rrh rri rrr rrt rtc rti rto rtr rtt rtx rxr t-x tcc tch tci tco tcr tct tcx th- thc thh thi tho thr tht thx tic tih tii tio tir tit tix to- toc toh toi too tor tot tox trc trh tri tro trr trt trx ttc tth tti tto ttr ttt ttx txi txt xch xci xcr xcx xht xic xii xio xit xix xoc xoi xoo xor xot xox xrc xrt xrx xtc xti xtr xtx xxi xxo xxx