a-a a-b a-i aaa aab aae aah aai aan aap aas ab- aba abb abe abh abi abn abp abs aea aeb aee aeh aei aen aep aes aha ahb ahe ahh ahi ahn ahp ahs ai- aia aib aie aih aii ain aip ais an- ana anb ane anh ani ann anp ans ap- apa apb ape aph api apn app aps as- asa asb ase ash asi asn asp ass b-p baa bab bae bah bai ban bap bas bba bbb bbe bbh bbi bbn bbp bbs be- bea beb bee beh bei ben bep bes bha bhb bhe bhh bhi bhp bhs bi- bia bib bie bih bii bin bip bis bna bnb bne bni bnn bnp bns bpa bpb bpe bph bpi bpn bpp bps bsa bsb bse bsh bsi bsn bsp bss eaa eab eae eah eai ean eap eas eba ebb ebe ebh ebi ebn ebp ebs eea eeb eee een eep ees eha ehb ehe ehh ehi ehn ehp ehs eia eib eie eii ein eip eis en- ena enb ene enh eni enn enp ens ep- epa epb epe eph epi epn epp eps es- esa esb ese esh esi esn esp ess h-i haa hab hae hah hai han hap has hba hbb hbe hbh hbi hbn hbp hbs he- hea heb hee heh hei hen hep hes hha hhb hhe hhh hhi hhn hhp hhs hia hib hie hih hii hin hip his hna hnb hne hnh hnn hns hpa hpb hpe hph hpi hpn hpp hps hsa hsb hse hsh hsi hsn hsp hss ia- iaa iab iae iah iai ian iap ias iba ibb ibe ibh ibi ibn ibp ibs ie- iea iee iei ien iep ies iha ihb ihe ihh ihi ihn ihp ihs iia iib iie iih iii iin iip iis in- ina inb ine inh ini inn inp ins ipa ipb ipe ipi ipn ipp ips is- isa isb ise ish isi isn isp iss n-i naa nab nae nah nai nan nap nas nba nbb nbe nbi nbn nbp nbs ne- nea neb nee neh nei nen nep nes nha nhb nhe nhh nhi nhn nhp nhs nia nib nie nih nii nin nip nis nna nnb nne nnh nni nnn nnp nns npa npb npe nph npi npn npp nps nsa nsb nse nsh nsi nsn nsp nss p-p paa pab pae pah pai pan pap pas pba pbb pbe pbi pbn pbp pbs pea peb pee peh pei pen pep pes pha phb phe phi phn php phs pia pib pie pih pii pin pip pis pn- pna pnb pne pnh pni pnn pnp pns ppa ppb ppe pph ppi ppn ppp pps ps- psa psb pse psh psi psn psp pss saa sab sae sah sai san sap sas sba sbb sbe sbh sbi sbn sbp sbs se- sea seb see seh sei sen sep ses sh- sha shb she shh shi shn shp shs sia sib sie sih sii sin sip sis sna snb sne sni snn snp sns spa spb spe sph spi spn spp sps ss- ssa ssb sse ssh ssi ssn ssp sss