-er -ic -th c-- ccc cce cch cci cck cco ccr cct ce- cec cee ceh cei cek ceo cer cet ch- chc che chh chi chk cho chr cht ci- cic cie cih cii cik cio cir cit ckc ckh cki cko ckt co- coc coe coh coi cok coo cor cot crc cre crh cri crk cro crr crt ctc cte cth cti ctk cto ctr ctt ec- ecc ece ech eci eck eco ecr ect eec eee eek eeo eer eet ehc ehe ehh ehi eho ehr eht eic eie eii eik eio eir eit ekc eke ekh eki eko ekr ekt eo- eoc eoe eoh eoi eok eoo eor eot erc ere erh eri erk ero err ert etc ete eth eti etk eto etr ett h-i hcc hce hch hci hck hco hcr hct he- hec hee heh hei hek heo her het hhc hhe hhh hhi hhk hho hhr hht hic hie hih hii hik hio hir hit hkh hki hkk hko hkr hkt hoc hoe hoh hoi hok hoo hor hot hr- hrc hre hrh hri hrk hro hrr hrt htc hte hth hti htk hto htr htt icc ice ich ici ick ico icr ict ie- iec iee iei iek ier iet ihc ihe ihh ihi ihk iho ihr iht iic iie iih iii iio iir iit ikc ike iki ikk iko ikr ikt io- ioc ioe ioh ioi ioo ior iot ir- irc ire iri irk iro irr irt itc ite ith iti itk ito itt k-t kcc kce kch kci kck kcr kct ke- kec kee keh kei kek keo ker ket khe khh khi khk kho khr kic kie kih kii kik kio kir kit kkc kke kkh kki kkk kkr kkt koc koe koh koi kok koo kor kot krc kri krk kro krr krt ktc kte kth ktk kto ktr ktt o-i oc- occ och oci ock oco ocr oct oec oee oeh oei oeo oer oet ohc ohe ohh ohi oho ohr oht oic oie oii oik oio oir oit okc oke oki okk oko okr oo- ooc ooh ooi ook ooo oor oot or- orc ore orh ori ork oro orr ort ot- otc ote oth oti otk oto otr ott rcc rce rch rci rco rcr rct re- rec ree reh rei rek reo rer ret rh- rhc rhe rhh rhi rho rhr rht ric rie rih rii rik rio rir rit rkc rke rkk rko rkt roc roe roh roi rok roo ror rot rrc rrh rri rrk rrr rrt rtc rte rti rtk rto rtr rtt tcc tce tch tci tck tco tcr tct te- tec tee teh tei tek teo ter tet th- thc the thh thi thk tho thr tht tic tie tih tii tik tio tir tit tkc tke tkk tko tkr tkt to- toc toe toh toi tok too tor tot trc tre trh tri trk tro trr trt ttc tte tth tti ttk tto ttr ttt