a-a a-b a-i aaa aab aah aai aan aap aar aas ab- aba abb abh abi abn abp abr abs aha ahb ahh ahi ahn ahp ahr ahs ai- aia aib aih aii ain aip air ais an- ana anb anh ani ann anp anr ans ap- apa apb aph api apn app apr aps ar- ara arb arh ari arn arp arr ars as- asa asb ash asi asn asp asr ass b-p baa bab bah bai ban bap bar bas bba bbb bbh bbi bbn bbp bbr bbs bha bhb bhh bhi bhp bhr bhs bi- bia bib bih bii bin bip bir bis bna bnb bni bnn bnp bnr bns bpa bpb bph bpi bpn bpp bpr bps bra brb brh bri brn brp brr brs bsa bsb bsh bsi bsn bsp bsr bss h-i haa hab hah hai han hap har has hba hbb hbh hbi hbn hbp hbr hbs hha hhb hhh hhi hhn hhp hhr hhs hia hib hih hii hin hip hir his hna hnb hnh hnn hns hpa hpb hph hpi hpn hpp hpr hps hr- hra hrb hrh hri hrn hrp hrr hrs hsa hsb hsh hsi hsn hsp hsr hss ia- iaa iab iah iai ian iap iar ias iba ibb ibh ibi ibn ibp ibr ibs iha ihb ihh ihi ihn ihp ihr ihs iia iib iih iii iin iip iir iis in- ina inb inh ini inn inp inr ins ipa ipb ipi ipn ipp ipr ips ir- ira irb iri irn irp irr irs is- isa isb ish isi isn isp isr iss n-i naa nab nah nai nan nap nar nas nba nbb nbi nbn nbp nbr nbs nha nhb nhh nhi nhn nhp nhr nhs nia nib nih nii nin nip nir nis nna nnb nnh nni nnn nnp nns npa npb nph npi npn npp npr nps nra nrb nri nrn nrp nrr nrs nsa nsb nsh nsi nsn nsp nsr nss p-p paa pab pah pai pan pap par pas pba pbb pbi pbn pbp pbr pbs pha phb phi phn php phr phs pia pib pih pii pin pip pir pis pn- pna pnb pnh pni pnn pnp pnr pns ppa ppb pph ppi ppn ppp ppr pps pra prb prh pri prn prp prr prs ps- psa psb psh psi psn psp psr pss ra- raa rab rah rai ran rap rar ras rba rbb rbh rbi rbn rbp rbr rbs rh- rha rhb rhh rhi rhn rhp rhr rhs ria rib rih rii rin rip rir ris rna rnb rnh rni rnn rnp rnr rns rpa rpb rph rpi rpn rpp rpr rps rra rrb rrh rri rrn rrp rrr rrs rsa rsb rsh rsi rsn rsp rsr rss saa sab sah sai san sap sar sas sba sbb sbh sbi sbn sbp sbr sbs sh- sha shb shh shi shn shp shr shs sia sib sih sii sin sip sir sis sna snb sni snn snp snr sns spa spb sph spi spn spp spr sps sr- sra srb srh sri srn srp srr srs ss- ssa ssb ssh ssi ssn ssp ssr sss