-ic a-a a-b a-c a-i aaa aab aac aah aai aap aas ab- aba abb abc abh abi abp abs ac- aca acb acc ach aci acp acs aha ahb ahc ahh ahi ahp ahs ai- aia aib aic aih aii aip ais ap- apa apb apc aph api app aps as- asa asb asc ash asi asp ass b-p baa bab bac bah bai bap bas bba bbb bbc bbh bbi bbp bbs bca bcb bcc bch bci bcp bcs bha bhb bhc bhh bhi bhp bhs bi- bia bib bic bih bii bip bis bpa bpb bpc bph bpi bpp bps bsa bsb bsc bsh bsi bsp bss c-- caa cab cac cah cai cap cas cba cbb cbc cbh cbi cbp cbs cca ccb ccc cch cci ccp ccs ch- cha chb chc chh chi chp chs ci- cia cib cic cih cii cip cis cpa cpb cpc cph cpi cpp cps csa csb csc csh csi csp css h-i haa hab hac hah hai hap has hba hbb hbc hbh hbi hbp hbs hca hcb hcc hch hci hcp hcs hha hhb hhc hhh hhi hhp hhs hia hib hic hih hii hip his hpa hpb hpc hph hpi hpp hps hsa hsb hsc hsh hsi hsp hss ia- iaa iab iac iah iai iap ias iba ibb ibc ibh ibi ibp ibs ica icb icc ich ici icp ics iha ihb ihc ihh ihi ihp ihs iia iib iic iih iii iip iis ipa ipb ipc ipi ipp ips is- isa isb isc ish isi isp iss p-p paa pab pac pah pai pap pas pba pbb pbc pbi pbp pbs pca pcb pcc pch pci pcp pcs pha phb phc phi php phs pia pib pic pih pii pip pis ppa ppb ppc pph ppi ppp pps ps- psa psb psc psh psi psp pss saa sab sac sah sai sap sas sba sbb sbc sbh sbi sbp sbs sca scb scc sch sci scp scs sh- sha shb shc shh shi shp shs sia sib sic sih sii sip sis spa spb spc sph spi spp sps ss- ssa ssb ssc ssh ssi ssp sss