-er -ic a-a a-c a-i aaa aac aae aag aah aai aao aap aar ac- aca acc ace acg ach aci aco acp acr aea aec aee aeg aeh aei aeo aep aer ag- aga agc age agg agh agi ago agp agr aha ahc ahe ahg ahh ahi aho ahp ahr ai- aia aic aie aig aih aii aio aip air aoa aoc aoe aog aoh aoi aoo aop aor ap- apa apc ape apg aph api apo app apr ar- ara arc are arg arh ari aro arp arr c-- caa cac cae cag cah cai cao cap car cca ccc cce ccg cch cci cco ccp ccr ce- cea cec cee ceg ceh cei ceo cep cer cga cgc cge cgg cgh cgi cgo cgp cgr ch- cha chc che chg chh chi cho chp chr ci- cia cic cie cig cih cii cio cip cir co- coa coc coe cog coh coi coo cop cor cpa cpc cpe cpg cph cpi cpo cpp cpr cra crc cre crg crh cri cro crp crr eaa eac eae eag eah eai eao eap ear ec- eca ecc ece ecg ech eci eco ecr eea eec eee eeg eeo eep eer ega egc ege egg egh egi ego egp egr eha ehc ehe ehg ehh ehi eho ehp ehr eia eic eie eig eii eio eip eir eo- eoa eoc eoe eog eoh eoi eoo eop eor ep- epa epc epe epg eph epi epo epp epr era erc ere erg erh eri ero erp err g-p gaa gac gae gag gah gai gao gap gar gca gcc gce gcg gch gci gco gcp gcr ge- gea gec gee geg geh gei geo gep ger gga ggc ggg ggh ggi ggo ggp ggr gha ghc ghe ghg ghh ghi gho ghp ghr gia gic gie gig gih gii gio gip gir goa goc goe gog goh goi goo gop gor gpa gpc gpe gpg gph gpi gpo gpp gpr gra grc gre grg grh gri gro grp grr h-i haa hac hae hag hah hai hao hap har hca hcc hce hcg hch hci hco hcp hcr he- hea hec hee heg heh hei heo hep her hga hgc hge hgg hgh hgi hgo hgp hgr hha hhc hhe hhg hhh hhi hho hhp hhr hia hic hie hig hih hii hio hip hir hoa hoc hoe hog hoh hoi hoo hop hor hpa hpc hpe hpg hph hpi hpo hpp hpr hr- hra hrc hre hrg hrh hri hro hrp hrr ia- iaa iac iae iag iah iai iao iap iar ica icc ice icg ich ici ico icp icr ie- iea iec iee ieg iei iep ier iga igc ige igg igh igi igo igp igr iha ihc ihe ihg ihh ihi iho ihp ihr iia iic iie iih iii iio iip iir io- ioa ioc ioe iog ioh ioi ioo iop ior ipa ipc ipe ipg ipi ipo ipp ipr ir- ira irc ire irg iri iro irp irr o-i oaa oac oae oag oah oai oao oap oar oc- oca occ ocg och oci oco ocp ocr oea oec oee oeg oeh oei oeo oep oer oga ogc oge ogg ogh ogi ogo ogp oha ohc ohe ohg ohh ohi oho ohp ohr oia oic oie oii oio oip oir oo- ooa ooc oog ooh ooi ooo oop oor op- opa opc ope opg oph opi opo opp opr or- ora orc ore org orh ori oro orp orr p-p paa pac pae pag pah pai pao pap par pca pcc pce pcg pch pci pco pcp pcr pea pec pee peg peh pei peo pep per pga pgc pge pgg pgh pgi pgo pgp pgr pha phc phe phg phi pho php phr pia pic pie pig pih pii pio pip pir poa poc poe pog poh poi poo pop por ppa ppc ppe ppg pph ppi ppo ppp ppr pra prc pre prg prh pri pro prp prr ra- raa rac rae rag rah rai rao rap rar rca rcc rce rcg rch rci rco rcp rcr re- rea rec ree reg reh rei reo rep rer rga rgc rge rgg rgh rgi rgo rgp rgr rh- rha rhc rhe rhg rhh rhi rho rhp rhr ria ric rie rig rih rii rio rip rir roa roc roe rog roh roi roo rop ror rpa rpc rpe rpg rph rpi rpo rpp rpr rra rrc rrg rrh rri rrp rrr