-er a-a a-c aaa aac aae aaf aah aak aam aan aar ac- aca acc ace acf ach ack acm acn acr aea aec aee aef aeh aek aem aen aer af- afa afc afe aff afh afk afm afn afr aha ahc ahe ahf ahh ahk ahm ahn ahr aka akc ake akh akk akm akn akr ama amc ame amf amh amk amm amn amr an- ana anc ane anf anh ank anm ann anr ar- ara arc are arf arh ark arm arn arr c-- caa cac cae caf cah cak cam can car cca ccc cce ccf cch cck ccm ccn ccr ce- cea cec cee cef ceh cek cem cen cer cfa cfc cfe cff cfh cfk cfm cfn cfr ch- cha chc che chf chh chk chm chn chr cka ckc ckh ckm cma cmc cme cmf cmh cmk cmm cmn cmr cn- cna cnc cne cnf cnh cnm cnn cnr cra crc cre crf crh crk crm crn crr eaa eac eae eaf eah eak eam ean ear ec- eca ecc ece ecf ech eck ecm ecn ecr eea eec eee eef eek eem een eer ef- efa efc efe eff efh efm efr eha ehc ehe ehf ehh ehm ehn ehr eka ekc eke ekf ekh ekr em- ema emc eme emf emh emk emm emn emr en- ena enc ene enf enh enk enm enn enr era erc ere erf erh erk erm ern err faa fac fae faf fah fak fam fan far fca fcc fce fcf fck fcm fcn fcr fea fec fee fef feh fek fem fen fer ffa ffc ffe fff ffh ffk ffm ffn ffr fha fhc fhe fhf fhh fhm fhn fhr fka fkc fkf fkk fkm fma fmc fme fmf fmh fmm fmn fmr fna fnc fne fnf fnh fnk fnm fnn fnr fra frc fre frf frh frk frm frn frr haa hac hae haf hah hak ham han har hca hcc hce hcf hch hck hcm hcn hcr he- hea hec hee hef heh hek hem hen her hfa hfc hfe hff hfh hfk hfm hfn hfr hha hhc hhe hhf hhh hhk hhm hhn hhr hka hkf hkh hkk hkm hkn hkr hma hmc hme hmf hmh hmk hmm hmr hna hnc hne hnf hnh hnk hnn hr- hra hrc hre hrf hrh hrk hrm hrn hrr ka- kaa kac kae kaf kah kak kam kan kar kca kcc kce kch kck kcm kcn kcr ke- kea kec kee kef keh kek kem ken ker kfa kfc kff kfh kfm kha khe khf khh khk khm khn khr kkc kke kkh kkk kkm kkn kkr kma kmc kme kmf kmh kmk kmm kn- kna knc kne knf knk knm knn knr kra krc krf krk krn krr m-f m-r maa mac mae maf mah mak mam man mar mc- mca mcc mce mcf mch mck mcm mcn mcr mea mec mee mef meh mek mem men mer mfa mfc mfe mff mfh mfm mfn mfr mha mhc mhf mhh mhk mhm mhn mhr mka mkc mke mkh mkk mkm mkn mkr mma mmc mme mmf mmh mmk mmm mmn mmr mna mnc mne mnf mnk mnm mnn mnr mra mrc mre mrf mrh mrk mrm mrn mrr naa nac nae naf nah nak nam nan nar nca ncc nce ncf nch nck ncm ncn ncr ne- nea nec nee nef neh nek nem nen ner nfa nfc nfe nff nfk nfn nfr nha nhc nhe nhf nhh nhk nhm nhn nhr nka nkc nke nkf nkk nkm nkn nkr nma nmc nme nmh nmk nmm nmn nmr nna nnc nne nnf nnh nnk nnm nnn nra nrc nre nrf nrk nrm nrn nrr ra- raa rac rae raf rah rak ram ran rar rca rcc rce rcf rch rcm rcn rcr re- rea rec ree ref reh rek rem ren rer rfa rfc rfe rff rfh rfk rfm rfn rfr rh- rha rhc rhe rhf rhh rhm rhn rhr rkc rke rkf rkk rkm rma rmc rme rmf rmh rmm rmn rmr rna rnc rnh rnm rnn rnr rra rrc rrf rrh rrk rrm rrn rrr