-ic a-a a-b a-c a-i aaa aab aac aae aah aai aam aap ab- aba abb abc abe abh abi abm abp ac- aca acb acc ace ach aci acm acp aea aeb aec aee aeh aei aem aep aha ahb ahc ahe ahh ahi ahm ahp ai- aia aib aic aie aih aii aim aip ama amb amc ame amh ami amm amp ap- apa apb apc ape aph api apm app b-p baa bab bac bae bah bai bam bap bba bbb bbc bbe bbh bbi bbm bbp bca bcb bcc bce bch bci bcm bcp be- bea beb bec bee beh bei bem bep bha bhb bhc bhe bhh bhi bhm bhp bi- bia bib bic bie bih bii bim bip bma bmb bmc bme bmh bmi bmm bmp bpa bpb bpc bpe bph bpi bpm bpp c-- caa cab cac cae cah cai cam cap cba cbb cbc cbe cbh cbi cbm cbp cca ccb ccc cce cch cci ccm ccp ce- cea ceb cec cee ceh cei cem cep ch- cha chb chc che chh chi chm chp ci- cia cib cic cie cih cii cim cip cma cmb cmc cme cmh cmi cmm cmp cpa cpb cpc cpe cph cpi cpm cpp eaa eab eac eae eah eai eam eap eba ebb ebc ebe ebh ebi ebm ebp ec- eca ecb ecc ece ech eci ecm eea eeb eec eee eem eep eha ehb ehc ehe ehh ehi ehm ehp eia eib eic eie eii eim eip em- ema emb emc eme emh emi emm emp ep- epa epb epc epe eph epi epm epp h-i haa hab hac hae hah hai ham hap hba hbb hbc hbe hbh hbi hbm hbp hca hcb hcc hce hch hci hcm hcp he- hea heb hec hee heh hei hem hep hha hhb hhc hhe hhh hhi hhm hhp hia hib hic hie hih hii him hip hma hmb hmc hme hmh hmi hmm hmp hpa hpb hpc hpe hph hpi hpm hpp ia- iaa iab iac iae iah iai iam iap iba ibb ibc ibe ibh ibi ibm ibp ica icb icc ice ich ici icm icp ie- iea iec iee iei iem iep iha ihb ihc ihe ihh ihi ihm ihp iia iib iic iie iih iii iim iip im- ima imb imc ime imh imi imm imp ipa ipb ipc ipe ipi ipm ipp maa mab mac mae mah mai mam map mba mbb mbc mbe mbh mbi mbm mbp mc- mca mcb mcc mce mch mci mcm mcp mea meb mec mee meh mei mem mep mha mhc mhh mhi mhm mhp mi- mia mib mic mie mih mii mim mip mma mmb mmc mme mmh mmi mmm mmp mpa mpb mpc mpe mph mpi mpm mpp p-p paa pab pac pae pah pai pam pap pba pbb pbc pbe pbi pbm pbp pca pcb pcc pce pch pci pcm pcp pea peb pec pee peh pei pem pep pha phb phc phe phi phm php pia pib pic pie pih pii pim pip pma pmb pmc pme pmh pmi pmm pmp ppa ppb ppc ppe pph ppi ppm ppp