-ic a-a a-b a-c a-i aaa aab aac aad aae aah aai aam aas ab- aba abb abc abd abe abh abi abm abs ac- aca acb acc acd ace ach aci acm acs ad- ada adb adc add ade adh adi adm ads aea aeb aec aed aee aeh aei aem aes aha ahb ahc ahd ahe ahh ahi ahm ahs ai- aia aib aic aid aie aih aii aim ais ama amb amc amd ame amh ami amm ams as- asa asb asc asd ase ash asi asm ass baa bab bac bad bae bah bai bam bas bba bbb bbc bbd bbe bbh bbi bbm bbs bca bcb bcc bcd bce bch bci bcm bcs bda bdb bdc bdd bde bdh bdi bdm bds be- bea beb bec bed bee beh bei bem bes bha bhb bhc bhd bhe bhh bhi bhm bhs bi- bia bib bic bid bie bih bii bim bis bma bmb bmc bmd bme bmh bmi bmm bms bsa bsb bsc bsd bse bsh bsi bsm bss c-- caa cab cac cad cae cah cai cam cas cba cbb cbc cbd cbe cbh cbi cbm cbs cca ccb ccc ccd cce cch cci ccm ccs cda cdb cdc cdd cde cdh cdi cdm cds ce- cea ceb cec ced cee ceh cei cem ces ch- cha chb chc chd che chh chi chm chs ci- cia cib cic cid cie cih cii cim cis cma cmb cmc cmd cme cmh cmi cmm cms csa csb csc csd cse csh csi csm css daa dab dac dad dae dah dai dam das dba dbb dbc dbd dbe dbh dbi dbm dbs dca dcb dcc dcd dce dci dcm dcs dda ddb ddc ddd dde ddh ddi ddm dds de- dea deb dec ded dee deh dei dem des dh- dha dhb dhc dhd dhe dhh dhi dhm dhs di- dia dib dic did die dih dii dim dis dma dmb dmc dmd dme dmh dmi dmm dms dsa dsb dsc dsd dse dsh dsi dsm dss eaa eab eac ead eae eah eai eam eas eba ebb ebc ebd ebe ebh ebi ebm ebs ec- eca ecb ecc ecd ece ech eci ecm ecs ed- eda edb edc edd ede edh edi edm eds eea eeb eec eed eee eem ees eha ehb ehc ehd ehe ehh ehi ehm ehs eia eib eic eid eie eii eim eis em- ema emb emc emd eme emh emi emm ems es- esa esb esc esd ese esh esi esm ess h-i haa hab hac had hae hah hai ham has hba hbb hbc hbd hbe hbh hbi hbm hbs hca hcb hcc hcd hce hch hci hcm hcs hda hdb hdc hdd hde hdh hdi hdm hds he- hea heb hec hed hee heh hei hem hes hha hhb hhc hhd hhe hhh hhi hhm hhs hia hib hic hid hie hih hii him his hma hmb hmc hmd hme hmh hmi hmm hms hsa hsb hsc hsd hse hsh hsi hsm hss i-d ia- iaa iab iac iad iae iah iai iam ias iba ibb ibc ibd ibe ibh ibi ibm ibs ica icb icc icd ice ich ici icm ics ida idb idc idd ide idh idi idm ids ie- iea iec ied iee iei iem ies iha ihb ihc ihd ihe ihh ihi ihm ihs iia iib iic iid iie iih iii iim iis im- ima imb imc imd ime imh imi imm ims is- isa isb isc isd ise ish isi ism iss maa mab mac mad mae mah mai mam mas mba mbb mbc mbd mbe mbh mbi mbm mbs mc- mca mcb mcc mcd mce mch mci mcm mcs mda mdb mdc mdd mde mdh mdi mdm mds mea meb mec med mee meh mei mem mes mha mhc mhd mhh mhi mhm mhs mi- mia mib mic mid mie mih mii mim mis mma mmb mmc mmd mme mmh mmi mmm mms msa msb msc msd mse msh msi msm mss saa sab sac sad sae sah sai sam sas sba sbb sbc sbd sbe sbh sbi sbm sbs sca scb scc scd sce sch sci scm scs sda sdb sdc sdd sde sdh sdi sdm sds se- sea seb sec sed see seh sei sem ses sh- sha shb shc shd she shh shi shm shs sia sib sic sid sie sih sii sim sis sma smb smc smd sme smh smi smm sms ss- ssa ssb ssc ssd sse ssh ssi ssm sss