-ic a-a a-b a-c a-i aaa aab aac aah aai aam aan aas ab- aba abb abc abh abi abm abn abs ac- aca acb acc ach aci acm acn acs aha ahb ahc ahh ahi ahm ahn ahs ai- aia aib aic aih aii aim ain ais ama amb amc amh ami amm amn ams an- ana anb anc anh ani anm ann ans as- asa asb asc ash asi asm asn ass baa bab bac bah bai bam ban bas bba bbb bbc bbh bbi bbm bbn bbs bca bcb bcc bch bci bcm bcn bcs bha bhb bhc bhh bhi bhm bhs bi- bia bib bic bih bii bim bin bis bma bmb bmc bmh bmi bmm bmn bms bna bnb bnc bni bnn bns bsa bsb bsc bsh bsi bsm bsn bss c-- caa cab cac cah cai cam can cas cba cbb cbc cbh cbi cbm cbn cbs cca ccb ccc cch cci ccm ccn ccs ch- cha chb chc chh chi chm chn chs ci- cia cib cic cih cii cim cin cis cma cmb cmc cmh cmi cmm cmn cms cn- cna cnb cnc cnh cni cnm cnn cns csa csb csc csh csi csm csn css h-i haa hab hac hah hai ham han has hba hbb hbc hbh hbi hbm hbn hbs hca hcb hcc hch hci hcm hcn hcs hha hhb hhc hhh hhi hhm hhn hhs hia hib hic hih hii him hin his hma hmb hmc hmh hmi hmm hms hna hnb hnc hnh hnn hns hsa hsb hsc hsh hsi hsm hsn hss ia- iaa iab iac iah iai iam ian ias iba ibb ibc ibh ibi ibm ibn ibs ica icb icc ich ici icm icn ics iha ihb ihc ihh ihi ihm ihn ihs iia iib iic iih iii iim iin iis im- ima imb imc imh imi imm imn ims in- ina inb inc inh ini inm inn ins is- isa isb isc ish isi ism isn iss maa mab mac mah mai mam man mas mba mbb mbc mbh mbi mbm mbs mc- mca mcb mcc mch mci mcm mcn mcs mha mhc mhh mhi mhm mhn mhs mi- mia mib mic mih mii mim min mis mma mmb mmc mmh mmi mmm mmn mms mna mnb mnc mni mnm mnn mns msa msb msc msh msi msm msn mss n-i naa nab nac nah nai nam nan nas nba nbb nbc nbi nbm nbn nbs nca ncb ncc nch nci ncm ncn ncs nha nhb nhc nhh nhi nhm nhn nhs nia nib nic nih nii nim nin nis nma nmb nmc nmh nmi nmm nmn nms nna nnb nnc nnh nni nnm nnn nns nsa nsb nsc nsh nsi nsm nsn nss saa sab sac sah sai sam san sas sba sbb sbc sbh sbi sbm sbn sbs sca scb scc sch sci scm scn scs sh- sha shb shc shh shi shm shn shs sia sib sic sih sii sim sin sis sma smb smc smh smi smm smn sms sna snb snc sni snm snn sns ss- ssa ssb ssc ssh ssi ssm ssn sss