-er -ic -th c-- ccc ccd cce cch cci cco ccr ccs cct cdc cdd cde cdh cdi cdo cdr cds cdt ce- cec ced cee ceh cei ceo cer ces cet ch- chc chd che chh chi cho chr chs cht ci- cic cid cie cih cii cio cir cis cit co- coc cod coe coh coi coo cor cos cot crc crd cre crh cri cro crr crs crt csc csd cse csh csi cso csr css cst ctc ctd cte cth cti cto ctr cts ctt dcc dcd dce dci dco dcr dcs dct ddc ddd dde ddh ddi ddo ddr dds ddt de- dec ded dee deh dei deo der des det dh- dhc dhd dhe dhh dhi dho dhr dhs dht di- dic did die dih dii dio dir dis dit doc dod doe doh doi doo dor dos dot drc drd dre dri dro drr drs drt dsc dsd dse dsh dsi dso dsr dss dst dtc dtd dte dth dti dto dtr dts dtt ec- ecc ecd ece ech eci eco ecr ecs ect ed- edc edd ede edh edi edo edr eds edt eec eed eee eeo eer ees eet ehc ehd ehe ehh ehi eho ehr ehs eht eic eid eie eii eio eir eis eit eo- eoc eod eoe eoh eoi eoo eor eos eot erc erd ere erh eri ero err ers ert es- esc esd ese esh esi eso esr ess est etc etd ete eth eti eto etr ets ett h-i hcc hcd hce hch hci hco hcr hcs hct hdc hdd hde hdh hdi hdo hdr hds hdt he- hec hed hee heh hei heo her hes het hhc hhd hhe hhh hhi hho hhr hhs hht hic hid hie hih hii hio hir his hit hoc hod hoe hoh hoi hoo hor hos hot hr- hrc hrd hre hrh hri hro hrr hrs hrt hsc hsd hse hsh hsi hsr hss hst htc htd hte hth hti hto htr hts htt i-d icc icd ice ich ici ico icr ics ict idc idd ide idh idi ido idr ids idt ie- iec ied iee iei ier ies iet ihc ihd ihe ihh ihi iho ihr ihs iht iic iid iie iih iii iio iir iis iit io- ioc iod ioe ioh ioi ioo ior ios iot ir- irc ird ire iri iro irr irs irt is- isc isd ise ish isi iso isr iss ist itc itd ite ith iti ito its itt o-i oc- occ ocd och oci oco ocr ocs oct odc odd ode odh odi odo odr ods odt oec oed oee oeh oei oeo oer oes oet ohc ohd ohe ohh ohi oho ohr ohs oht oic oid oie oii oio oir ois oit oo- ooc ood ooh ooi ooo oor oos oot or- orc ord ore orh ori oro orr ors ort os- osc osd ose osh osi oso osr oss ost ot- otc otd ote oth oti oto otr ots ott rcc rcd rce rch rci rco rcr rcs rct rdc rdd rde rdh rdi rdo rdr rds rdt re- rec red ree reh rei reo rer res ret rh- rhc rhd rhe rhh rhi rho rhr rhs rht ric rid rie rih rii rio rir ris rit roc rod roe roh roi roo ror ros rot rrc rrd rrh rri rrr rrs rrt rsc rsd rse rsh rsi rso rsr rss rst rtc rtd rte rti rto rtr rts rtt scc scd sce sch sci sco scr scs sct sdc sdd sde sdh sdi sdo sdr sds sdt se- sec sed see seh sei seo ser ses set sh- shc shd she shh shi sho shr shs sht sic sid sie sih sii sio sir sis sit soc sod soe soh soi soo sor sos sot sr- src srd sre srh sri sro srr srs srt ss- ssc ssd sse ssh ssi sso ssr sss sst stc std ste sth sti sto str sts stt tcc tcd tce tch tci tco tcr tcs tct tdc tdd tde tdh tdi tdo tdr tds tdt te- tec ted tee teh tei teo ter tes tet th- thc thd the thh thi tho thr ths tht tic tid tie tih tii tio tir tis tit to- toc tod toe toh toi too tor tos tot trc trd tre trh tri tro trr trs trt tsc tsd tse tsh tsi tso tsr tss tst ttc ttd tte tth tti tto ttr tts ttt