-ic a-a a-b a-c a-i aaa aab aac aaf aah aai aam ab- aba abb abc abf abh abi abm ac- aca acb acc acf ach aci acm af- afa afb afc aff afh afi afm aha ahb ahc ahf ahh ahi ahm ai- aia aib aic aif aih aii aim ama amb amc amf amh ami amm baa bab bac baf bah bai bam bba bbb bbc bbf bbh bbi bbm bca bcb bcc bcf bch bci bcm bfa bfb bfc bff bfh bfi bfm bha bhb bhc bhf bhh bhi bhm bi- bia bib bic bif bih bii bim bma bmb bmc bmf bmh bmi bmm c-- caa cab cac caf cah cai cam cba cbb cbc cbf cbh cbi cbm cca ccb ccc ccf cch cci ccm cfa cfb cfc cff cfh cfi cfm ch- cha chb chc chf chh chi chm ci- cia cib cic cif cih cii cim cma cmb cmc cmf cmh cmi cmm faa fab fac faf fah fai fam fba fbb fbc fbf fbh fbi fbm fca fcb fcc fcf fci fcm ffa ffc fff ffh ffi ffm fha fhb fhc fhf fhh fhi fhm fia fib fic fif fih fii fim fma fmb fmc fmf fmh fmi fmm h-i haa hab hac haf hah hai ham hba hbb hbc hbf hbh hbi hbm hca hcb hcc hcf hch hci hcm hfa hfb hfc hff hfh hfi hfm hha hhb hhc hhf hhh hhi hhm hia hib hic hif hih hii him hma hmb hmc hmf hmh hmi hmm i-f ia- iaa iab iac iaf iah iai iam iba ibb ibc ibf ibh ibi ibm ica icb icc icf ich ici icm ifa ifb ifc iff ifi ifm iha ihb ihc ihf ihh ihi ihm iia iib iic iif iih iii iim im- ima imb imc imf imh imi imm m-f maa mab mac maf mah mai mam mba mbb mbc mbf mbh mbi mbm mc- mca mcb mcc mcf mch mci mcm mfa mfb mfc mff mfh mfi mfm mha mhc mhf mhh mhi mhm mi- mia mib mic mif mih mii mim mma mmb mmc mmf mmh mmi mmm