-ic -th c-- ccc cch cci cco ccr cct ccx ch- chc chh chi cho chr cht chx chy ci- cic cih cii cio cir cit cix co- coc coh coi coo cor cot cox coy crc crh cri cro crr crt crx cry ctc cth cti cto ctr ctt ctx cty cxc cxh cxi cxo cxr cxt cxx cyc cyo cyr cyt h-i hcc hch hci hco hcr hct hcy hhc hhh hhi hho hhr hht hhy hic hih hii hio hir hit hix hoc hoh hoi hoo hor hot hox hoy hr- hrc hrh hri hro hrr hrt htc hth hti hto htr htt htx hty hxc hy- hyc hyh hyi hyo hyr hyt hyy icc ich ici ico icr ict icy ihc ihh ihi iho ihr iht ihy iic iih iii iio iir iit iix io- ioc ioh ioi ioo ior iot ir- irc iri iro irr irt irx iry itc ith iti ito itt itx ity ixc ixi ixy iyc iyo iyr iyt iyy 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 ory ot- otc oth oti oto otr ott ox- oxc oxi oxo oxt oxx oxy oyi oyo rcc rch rci rco rcr rct rcx rh- rhc rhh rhi rho rhr rht ric rih rii rio rir rit rix riy roc roh roi roo ror rot rox roy rrc rrh rri rrr rrt rtc rti rto rtr rtt rtx rty rxr ry- ryc ryo ryr ryy t-x tcc tch tci tco tcr tct tcx th- thc thh thi tho thr tht thx thy tic tih tii tio tir tit tix tiy to- toc toh toi too tor tot tox toy trc trh tri tro trr trt trx try ttc tth tti tto ttr ttt ttx tty txi txt tyc tyo tyr tyt xch xci xcr xcx xht xic xii xio xit xix xoc xoi xoo xor xot xox xrc xrt xrx xry xtc xti xtr xtx xty xxi xxo xxx xxy xyr xyy ycc ych yci yco ycy yhc yhi yht yih yii yio yir yit yoc yoi yoo yor yot yox yoy yrc yro yrt ytc yth yto ytr ytt yxy yyc yyt yyy