-ic a-a a-b a-c a-i aaa aab aac aae aah aai aam aao aap ab- aba abb abc abe abh abi abm abo abp ac- aca acb acc ace ach aci acm aco acp aea aeb aec aee aeh aei aem aeo aep aha ahb ahc ahe ahh ahi ahm aho ahp ai- aia aib aic aie aih aii aim aio aip ama amb amc ame amh ami amm amo amp aoa aob aoc aoe aoh aoi aom aoo aop ap- apa apb apc ape aph api apm apo app b-p baa bab bac bae bah bai bam bao bap bba bbb bbc bbe bbh bbi bbm bbo bbp bca bcb bcc bce bch bci bcm bco bcp be- bea beb bec bee beh bei bem beo bep bha bhb bhc bhe bhh bhi bhm bho bhp bi- bia bib bic bie bih bii bim bio bip bma bmb bmc bme bmh bmi bmm bmo bmp boa bob boc boe boh boi bom boo bop bpa bpb bpc bpe bph bpi bpm bpo bpp c-- caa cab cac cae cah cai cam cao cap cba cbb cbc cbe cbh cbi cbm cbo cbp cca ccb ccc cce cch cci ccm cco ccp ce- cea ceb cec cee ceh cei cem ceo cep ch- cha chb chc che chh chi chm cho chp ci- cia cib cic cie cih cii cim cio cip cma cmb cmc cme cmh cmi cmm cmo cmp co- coa cob coc coe coh coi com coo cop cpa cpb cpc cpe cph cpi cpm cpo cpp eaa eab eac eae eah eai eam eao eap eba ebb ebc ebe ebh ebi ebm ebo ebp ec- eca ecb ecc ece ech eci ecm eco eea eeb eec eee eem eeo eep eha ehb ehc ehe ehh ehi ehm eho ehp eia eib eic eie eii eim eio eip em- ema emb emc eme emh emi emm emo emp eo- eoa eob eoc eoe eoh eoi eom eoo eop ep- epa epb epc epe eph epi epm epo epp h-i haa hab hac hae hah hai ham hao hap hba hbb hbc hbe hbh hbi hbm hbo hbp hca hcb hcc hce hch hci hcm hco hcp he- hea heb hec hee heh hei hem heo hep hha hhb hhc hhe hhh hhi hhm hho hhp hia hib hic hie hih hii him hio hip hma hmb hmc hme hmh hmi hmm hmo hmp hoa hob hoc hoe hoh hoi hom hoo hop hpa hpb hpc hpe hph hpi hpm hpo hpp ia- iaa iab iac iae iah iai iam iao iap iba ibb ibc ibe ibh ibi ibm ibo ibp ica icb icc ice ich ici icm ico icp ie- iea iec iee iei iem iep iha ihb ihc ihe ihh ihi ihm iho ihp iia iib iic iie iih iii iim iio iip im- ima imb imc ime imh imi imm imo imp io- ioa iob ioc ioe ioh ioi iom ioo iop ipa ipb ipc ipe ipi ipm ipo ipp m-o maa mab mac mae mah mai mam mao map mba mbb mbc mbe mbh mbi mbm mbo mbp mc- mca mcb mcc mce mch mci mcm mco mcp mea meb mec mee meh mei mem meo mep mha mhc mhh mhi mhm mho mhp mi- mia mib mic mie mih mii mim mio mip mma mmb mmc mme mmh mmi mmm mmo mmp moa mob moc moe moh moi mom moo mop mpa mpb mpc mpe mph mpi mpm mpo mpp o-i oaa oab oac oae oah oai oam oao oap ob- oba obb obc obe obh obi obm obo obp oc- oca ocb occ och oci ocm oco ocp oea oeb oec oee oeh oei oem oeo oep oha ohc ohe ohh ohi ohm oho ohp oia oib oic oie oii oim oio oip om- oma omb omc ome omh omi omm omo omp oo- ooa oob ooc ooh ooi oom ooo oop op- opa opb opc ope oph opi opm opo opp p-p paa pab pac pae pah pai pam pao pap pba pbb pbc pbe pbi pbm pbo pbp pca pcb pcc pce pch pci pcm pco pcp pea peb pec pee peh pei pem peo pep pha phb phc phe phi phm pho php pia pib pic pie pih pii pim pio pip pma pmb pmc pme pmh pmi pmm pmo pmp poa pob poc poe poh poi pom poo pop ppa ppb ppc ppe pph ppi ppm ppo ppp