-ic -ol -th c-- ccc cch cci ccl cco ccr cct ch- chc chh chi chl cho chr cht ci- cic cih cii cil cio cir cit cl- clc clh cli cll clo clr clt co- coc coh coi col coo cor cot crc crh cri crl cro crr crt ctc cth cti ctl cto ctr ctt h-i hcc hch hci hcl hco hcr hct hhc hhh hhi hhl hho hhr hht hic hih hii hil hio hir hit hlc hlh hli hll hlo hlr hlt hoc hoh hoi hol hoo hor hot hr- hrc hrh hri hrl hro hrr hrt htc hth hti htl hto htr htt icc ich ici icl ico icr ict ihc ihh ihi ihl iho ihr iht iic iih iii iil iio iir iit il- ilc ilh ili ill ilo ilr ilt io- ioc ioh ioi iol ioo ior iot ir- irc iri irl iro irr irt itc ith iti itl ito itt lcc lch lci lcl lco lcr lct lhc lhh lhi lho lhr lht lic lih lii lil lio lir lit llc lli lll llo llr llt loc loh loi lol loo lor lot lrc lrh lri lro lrr lrt ltc lth lti ltl lto ltr ltt o-i oc- occ och oci ocl oco ocr oct ohc ohh ohi ohl oho ohr oht oic oii oil oio oir oit olc oli oll olo olt oo- ooc ooh ooi ool ooo oor oot or- orc orh ori orl oro orr ort ot- otc oth oti otl oto otr ott rcc rch rci rcl rco rcr rct rh- rhc rhh rhi rhl rho rhr rht ric rih rii ril rio rir rit rlc rlh rli rll rlo rlr rlt roc roh roi rol roo ror rot rrc rrh rri rrl rrr rrt rtc rti rtl rto rtr rtt tcc tch tci tcl tco tcr tct th- thc thh thi thl tho thr tht tic tih tii til tio tir tit tlc tlh tli tll tlo tlr tlt to- toc toh toi tol too tor tot trc trh tri trl tro trr trt ttc tth tti ttl tto ttr ttt