-er -ic a-a a-c a-i a-q aaa aac aae aaf aai aao aaq aar ac- aca acc ace acf aci aco acq acr aea aec aee aef aei aeo aeq aer af- afa afc afe aff afi afo afq afr ai- aia aic aie aif aii aio aiq air aoa aoc aoe aof aoi aoo aor aqa aqc aqf aqi aqo aqr ar- ara arc are arf ari aro arq arr c-- caa cac cae caf cai cao caq car cca ccc cce ccf cci cco ccr ce- cea cec cee cef cei ceo ceq cer cfa cfc cfe cff cfi cfo cfq cfr ci- cia cic cie cif cii cio ciq cir co- coa coc coe cof coi coo coq cor cqa cqc cqf cqi cqo cra crc cre crf cri cro crq crr eaa eac eae eaf eai eao ear ec- eca ecc ece ecf eci eco ecq ecr eea eec eee eef eeo eer ef- efa efc efe eff efi efo efr eia eic eie eif eii eio eir eo- eoa eoc eoe eof eoi eoo eoq eor eqa eqe eqf eqq era erc ere erf eri ero erq err faa fac fae faf fai fao faq far fca fcc fce fcf fci fco fcr fea fec fee fef fei feo fer ffa ffc ffe fff ffi ffo ffr fia fic fie fif fii fiq fir foa foc foe fof foi foo for fra frc fre frf fri fro frq frr i-f ia- iaa iac iae iaf iai iao iaq iar ica icc ice icf ici ico icq icr ie- iea iec iee ief iei ier ifa ifc ife iff ifi ifo ifr iia iic iie iif iii iio iir io- ioa ioc ioe iof ioi ioo ior iqa iqc iqe ir- ira irc ire irf iri iro irq irr o-i oaa oac oae oaf oai oao oaq oar oc- oca occ ocf oci oco ocr oea oec oee oef oei oeo oer of- ofa ofc ofe off ofi ofo ofr oia oic oie oif oii oio oir oo- ooa ooc oof ooi ooo oor oqo or- ora orc ore orf ori oro orr qaa qac qaf qar qca qcc qci qco qec qee qef qeo qfa qfc qfe qff qfi qic qie qio qir qof qoi qoo qor qqq qra qrc qre qri ra- raa rac rae raf rai rao raq rar rca rcc rce rcf rci rco rcr re- rea rec ree ref rei reo req rer rfa rfc rfe rff rfi rfo rfq rfr ria ric rie rif rii rio riq rir roa roc roe rof roi roo ror rqc rra rrc rrf rri rrq rrr