-er -ic -th c-- ccc cce ccg cch cci cco ccp ccr cct ce- cec cee ceg ceh cei ceo cep cer cet cgc cge cgg cgh cgi cgo cgp cgr cgt ch- chc che chg chh chi cho chp chr cht ci- cic cie cig cih cii cio cip cir cit co- coc coe cog coh coi coo cop cor cot cpc cpe cpg cph cpi cpo cpp cpr cpt crc cre crg crh cri cro crp crr crt ctc cte ctg cth cti cto ctp ctr ctt ec- ecc ece ecg ech eci eco ecr ect eec eee eeg eeo eep eer eet egc ege egg egh egi ego egp egr egt ehc ehe ehg ehh ehi eho ehp ehr eht eic eie eig eii eio eip eir eit eo- eoc eoe eog eoh eoi eoo eop eor eot ep- epc epe epg eph epi epo epp epr ept erc ere erg erh eri ero erp err ert etc ete etg eth eti eto etp etr ett g-p gcc gce gcg gch gci gco gcp gcr gct ge- gec gee geg geh gei geo gep ger get ggc ggg ggh ggi ggo ggp ggr ggt ghc ghe ghg ghh ghi gho ghp ghr ght gic gie gig gih gii gio gip gir git goc goe gog goh goi goo gop gor got gpc gpe gpg gph gpi gpo gpp gpr gpt grc gre grg grh gri gro grp grr grt gtc gte gtg gth gti gto gtp gtr gtt h-i hcc hce hcg hch hci hco hcp hcr hct he- hec hee heg heh hei heo hep her het hgc hge hgg hgh hgi hgo hgp hgr hgt hhc hhe hhg hhh hhi hho hhp hhr hht hic hie hig hih hii hio hip hir hit hoc hoe hog hoh hoi hoo hop hor hot hpc hpe hpg hph hpi hpo hpp hpr hpt hr- hrc hre hrg hrh hri hro hrp hrr hrt htc hte htg hth hti hto htp htr htt icc ice icg ich ici ico icp icr ict ie- iec iee ieg iei iep ier iet igc ige igg igh igi igo igp igr igt ihc ihe ihg ihh ihi iho ihp ihr iht iic iie iih iii iio iip iir iit io- ioc ioe iog ioh ioi ioo iop ior iot ipc ipe ipg ipi ipo ipp ipr ipt ir- irc ire irg iri iro irp irr irt itc ite itg ith iti ito itp itt o-i oc- occ ocg och oci oco ocp ocr oct oec oee oeg oeh oei oeo oep oer oet ogc oge ogg ogh ogi ogo ogp ogt ohc ohe ohg ohh ohi oho ohp ohr oht oic oie oii oio oip oir oit oo- ooc oog ooh ooi ooo oop oor oot op- opc ope opg oph opi opo opp opr opt or- orc ore org orh ori oro orp orr ort ot- otc ote otg oth oti oto otp otr ott p-p pcc pce pcg pch pci pco pcp pcr pct pec pee peg peh pei peo pep per pet pgc pge pgg pgh pgi pgo pgp pgr pgt phc phe phg phi pho php phr pht pic pie pig pih pii pio pip pir pit poc poe pog poh poi poo pop por pot ppc ppe ppg pph ppi ppo ppp ppr ppt prc pre prg prh pri pro prp prr prt pt- ptc pte ptg pth pti pto ptp ptr ptt rcc rce rcg rch rci rco rcp rcr rct re- rec ree reg reh rei reo rep rer ret rgc rge rgg rgh rgi rgo rgp rgr rgt rh- rhc rhe rhg rhh rhi rho rhp rhr rht ric rie rig rih rii rio rip rir rit roc roe rog roh roi roo rop ror rot rpc rpe rpg rph rpi rpo rpp rpr rpt rrc rrg rrh rri rrp rrr rrt rtc rte rtg rti rto rtp rtr rtt tcc tce tcg tch tci tco tcp tcr tct te- tec tee teg teh tei teo tep ter tet tgc tge tgg tgh tgi tgo tgp tgr tgt th- thc the thg thh thi tho thp thr tht tic tie tig tih tii tio tip tir tit to- toc toe tog toh toi too top tor tot tpc tpe tpg tph tpi tpo tpp tpr tpt trc tre trg trh tri tro trp trr trt ttc tte ttg tth tti tto ttp ttr ttt