-er -ic a-a a-c a-i aaa aac aae aah aai aao aap aar ac- aca acc ace ach aci aco acp acr aea aec aee aeh aei aeo aep aer aha ahc ahe ahh ahi aho ahp ahr ai- aia aic aie aih aii aio aip air aoa aoc aoe aoh aoi aoo aop aor ap- apa apc ape aph api apo app apr ar- ara arc are arh ari aro arp arr c-- caa cac cae cah cai cao cap car cca ccc cce cch cci cco ccp ccr ce- cea cec cee ceh cei ceo cep cer ch- cha chc che chh chi cho chp chr ci- cia cic cie cih cii cio cip cir co- coa coc coe coh coi coo cop cor cpa cpc cpe cph cpi cpo cpp cpr cra crc cre crh cri cro crp crr eaa eac eae eah eai eao eap ear ec- eca ecc ece ech eci eco ecr eea eec eee eeo eep eer eha ehc ehe ehh ehi eho ehp ehr eia eic eie eii eio eip eir eo- eoa eoc eoe eoh eoi eoo eop eor ep- epa epc epe eph epi epo epp epr era erc ere erh eri ero erp err h-i haa hac hae hah hai hao hap har hca hcc hce hch hci hco hcp hcr he- hea hec hee heh hei heo hep her hha hhc hhe hhh hhi hho hhp hhr hia hic hie hih hii hio hip hir hoa hoc hoe hoh hoi hoo hop hor hpa hpc hpe hph hpi hpo hpp hpr hr- hra hrc hre hrh hri hro hrp hrr ia- iaa iac iae iah iai iao iap iar ica icc ice ich ici ico icp icr ie- iea iec iee iei iep ier iha ihc ihe ihh ihi iho ihp ihr iia iic iie iih iii iio iip iir io- ioa ioc ioe ioh ioi ioo iop ior ipa ipc ipe ipi ipo ipp ipr ir- ira irc ire iri iro irp irr o-i oaa oac oae oah oai oao oap oar oc- oca occ och oci oco ocp ocr oea oec oee oeh oei oeo oep oer oha ohc ohe ohh ohi oho ohp ohr oia oic oie oii oio oip oir oo- ooa ooc ooh ooi ooo oop oor op- opa opc ope oph opi opo opp opr or- ora orc ore orh ori oro orp orr p-p paa pac pae pah pai pao pap par pca pcc pce pch pci pco pcp pcr pea pec pee peh pei peo pep per pha phc phe phi pho php phr pia pic pie pih pii pio pip pir poa poc poe poh poi poo pop por ppa ppc ppe pph ppi ppo ppp ppr pra prc pre prh pri pro prp prr ra- raa rac rae rah rai rao rap rar rca rcc rce rch rci rco rcp rcr re- rea rec ree reh rei reo rep rer rh- rha rhc rhe rhh rhi rho rhp rhr ria ric rie rih rii rio rip rir roa roc roe roh roi roo rop ror rpa rpc rpe rph rpi rpo rpp rpr rra rrc rrh rri rrp rrr