a-a a-b a-i aaa aab aah aai aan aao aap aas ab- aba abb abh abi abn abo abp abs aha ahb ahh ahi ahn aho ahp ahs ai- aia aib aih aii ain aio aip ais an- ana anb anh ani ann ano anp ans aoa aob aoh aoi aon aoo aop aos ap- apa apb aph api apn apo app aps as- asa asb ash asi asn aso asp ass b-p baa bab bah bai ban bao bap bas bba bbb bbh bbi bbn bbo bbp bbs bha bhb bhh bhi bho bhp bhs bi- bia bib bih bii bin bio bip bis bna bnb bni bnn bno bnp bns boa bob boh boi bon boo bop bos bpa bpb bph bpi bpn bpo bpp bps bsa bsb bsh bsi bsn bso bsp bss h-i haa hab hah hai han hao hap has hba hbb hbh hbi hbn hbo hbp hbs hha hhb hhh hhi hhn hho hhp hhs hia hib hih hii hin hio hip his hna hnb hnh hnn hno hns hoa hob hoh hoi hon hoo hop hos hpa hpb hph hpi hpn hpo hpp hps hsa hsb hsh hsi hsn hsp hss ia- iaa iab iah iai ian iao iap ias iba ibb ibh ibi ibn ibo ibp ibs iha ihb ihh ihi ihn iho ihp ihs iia iib iih iii iin iio iip iis in- ina inb inh ini inn ino inp ins io- ioa iob ioh ioi ion ioo iop ios ipa ipb ipi ipn ipo ipp ips is- isa isb ish isi isn iso isp iss n-i naa nab nah nai nan nao nap nas nba nbb nbi nbn nbo nbp nbs nha nhb nhh nhi nhn nhp nhs nia nib nih nii nin nio nip nis nna nnb nnh nni nnn nno nnp nns no- noa nob noh noi non noo nop nos npa npb nph npi npn npo npp nps nsa nsb nsh nsi nsn nso nsp nss o-i oaa oab oah oai oan oao oap oas ob- oba obb obh obi obn obo obp obs oha ohh ohi ohn oho ohp ohs oia oib oii oin oio oip ois on- ona onb onh oni onn ono onp ons oo- ooa oob ooh ooi oon ooo oop oos op- opa opb oph opi opn opo opp ops os- osa osb osh osi osn oso osp oss p-p paa pab pah pai pan pao pap pas pba pbb pbi pbn pbo pbp pbs pha phb phi phn pho php phs pia pib pih pii pin pio pip pis pn- pna pnb pnh pni pnn pno pnp pns poa pob poh poi pon poo pop pos ppa ppb pph ppi ppn ppo ppp pps ps- psa psb psh psi psn pso psp pss saa sab sah sai san sao sap sas sba sbb sbh sbi sbn sbo sbp sbs sh- sha shb shh shi shn sho shp shs sia sib sih sii sin sio sip sis sna snb sni snn sno snp sns soa sob soh soi son soo sop sos spa spb sph spi spn spo spp sps ss- ssa ssb ssh ssi ssn sso ssp sss