-ic a-a a-b a-c a-i aaa aab aac aae aah aai aam aan aas ab- aba abb abc abe abh abi abm abn abs ac- aca acb acc ace ach aci acm acn acs aea aeb aec aee aeh aei aem aen aes aha ahb ahc ahe ahh ahi ahm ahn ahs ai- aia aib aic aie aih aii aim ain ais ama amb amc ame amh ami amm amn ams an- ana anb anc ane anh ani anm ann ans as- asa asb asc ase ash asi asm asn ass baa bab bac bae bah bai bam ban bas bba bbb bbc bbe bbh bbi bbm bbn bbs bca bcb bcc bce bch bci bcm bcn bcs be- bea beb bec bee beh bei bem ben bes bha bhb bhc bhe bhh bhi bhm bhs bi- bia bib bic bie bih bii bim bin bis bma bmb bmc bme bmh bmi bmm bmn bms bna bnb bnc bne bni bnn bns bsa bsb bsc bse bsh bsi bsm bsn bss c-- caa cab cac cae cah cai cam can cas cba cbb cbc cbe cbh cbi cbm cbn cbs cca ccb ccc cce cch cci ccm ccn ccs ce- cea ceb cec cee ceh cei cem cen ces ch- cha chb chc che chh chi chm chn chs ci- cia cib cic cie cih cii cim cin cis cma cmb cmc cme cmh cmi cmm cmn cms cn- cna cnb cnc cne cnh cni cnm cnn cns csa csb csc cse csh csi csm csn css eaa eab eac eae eah eai eam ean eas eba ebb ebc ebe ebh ebi ebm ebn ebs ec- eca ecb ecc ece ech eci ecm ecn ecs eea eeb eec eee eem een ees eha ehb ehc ehe ehh ehi ehm ehn ehs eia eib eic eie eii eim ein eis em- ema emb emc eme emh emi emm emn ems en- ena enb enc ene enh eni enm enn ens es- esa esb esc ese esh esi esm esn ess h-i haa hab hac hae hah hai ham han has hba hbb hbc hbe hbh hbi hbm hbn hbs hca hcb hcc hce hch hci hcm hcn hcs he- hea heb hec hee heh hei hem hen hes hha hhb hhc hhe hhh hhi hhm hhn hhs hia hib hic hie hih hii him hin his hma hmb hmc hme hmh hmi hmm hms hna hnb hnc hne hnh hnn hns hsa hsb hsc hse hsh hsi hsm hsn hss ia- iaa iab iac iae iah iai iam ian ias iba ibb ibc ibe ibh ibi ibm ibn ibs ica icb icc ice ich ici icm icn ics ie- iea iec iee iei iem ien ies iha ihb ihc ihe ihh ihi ihm ihn ihs iia iib iic iie iih iii iim iin iis im- ima imb imc ime imh imi imm imn ims in- ina inb inc ine inh ini inm inn ins is- isa isb isc ise ish isi ism isn iss maa mab mac mae mah mai mam man mas mba mbb mbc mbe mbh mbi mbm mbs mc- mca mcb mcc mce mch mci mcm mcn mcs mea meb mec mee meh mei mem men mes mha mhc mhh mhi mhm mhn mhs mi- mia mib mic mie mih mii mim min mis mma mmb mmc mme mmh mmi mmm mmn mms mna mnb mnc mne mni mnm mnn mns msa msb msc mse msh msi msm msn mss n-i naa nab nac nae nah nai nam nan nas nba nbb nbc nbe nbi nbm nbn nbs nca ncb ncc nce nch nci ncm ncn ncs ne- nea neb nec nee neh nei nem nen nes nha nhb nhc nhe nhh nhi nhm nhn nhs nia nib nic nie nih nii nim nin nis nma nmb nmc nme nmh nmi nmm nmn nms nna nnb nnc nne nnh nni nnm nnn nns nsa nsb nsc nse nsh nsi nsm nsn nss saa sab sac sae sah sai sam san sas sba sbb sbc sbe sbh sbi sbm sbn sbs sca scb scc sce sch sci scm scn scs se- sea seb sec see seh sei sem sen ses sh- sha shb shc she shh shi shm shn shs sia sib sic sie sih sii sim sin sis sma smb smc sme smh smi smm smn sms sna snb snc sne sni snm snn sns ss- ssa ssb ssc sse ssh ssi ssm ssn sss