a-a a-b a-i aaa aab aah aai aan aap aar ab- aba abb abh abi abn abp abr aha ahb ahh ahi ahn ahp ahr ai- aia aib aih aii ain aip air an- ana anb anh ani ann anp anr ap- apa apb aph api apn app apr ar- ara arb arh ari arn arp arr b-p baa bab bah bai ban bap bar bba bbb bbh bbi bbn bbp bbr bha bhb bhh bhi bhp bhr bi- bia bib bih bii bin bip bir bna bnb bni bnn bnp bnr bpa bpb bph bpi bpn bpp bpr bra brb brh bri brn brp brr h-i haa hab hah hai han hap har hba hbb hbh hbi hbn hbp hbr hha hhb hhh hhi hhn hhp hhr hia hib hih hii hin hip hir hna hnb hnh hnn hpa hpb hph hpi hpn hpp hpr hr- hra hrb hrh hri hrn hrp hrr ia- iaa iab iah iai ian iap iar iba ibb ibh ibi ibn ibp ibr iha ihb ihh ihi ihn ihp ihr iia iib iih iii iin iip iir in- ina inb inh ini inn inp inr ipa ipb ipi ipn ipp ipr ir- ira irb iri irn irp irr n-i naa nab nah nai nan nap nar nba nbb nbi nbn nbp nbr nha nhb nhh nhi nhn nhp nhr nia nib nih nii nin nip nir nna nnb nnh nni nnn nnp npa npb nph npi npn npp npr nra nrb nri nrn nrp nrr p-p paa pab pah pai pan pap par pba pbb pbi pbn pbp pbr pha phb phi phn php phr pia pib pih pii pin pip pir pn- pna pnb pnh pni pnn pnp pnr ppa ppb pph ppi ppn ppp ppr pra prb prh pri prn prp prr ra- raa rab rah rai ran rap rar rba rbb rbh rbi rbn rbp rbr rh- rha rhb rhh rhi rhn rhp rhr ria rib rih rii rin rip rir rna rnb rnh rni rnn rnp rnr rpa rpb rph rpi rpn rpp rpr rra rrb rrh rri rrn rrp rrr