a-a a-b a-i aaa aab aad aah aai aap aar aas ab- aba abb abd abh abi abp abr abs ad- ada adb add adh adi adp adr ads aha ahb ahd ahh ahi ahp ahr ahs ai- aia aib aid aih aii aip air ais ap- apa apb apd aph api app apr aps ar- ara arb ard arh ari arp arr ars as- asa asb asd ash asi asp asr ass b-p baa bab bad bah bai bap bar bas bba bbb bbd bbh bbi bbp bbr bbs bda bdb bdd bdh bdi bdp bdr bds bha bhb bhd bhh bhi bhp bhr bhs bi- bia bib bid bih bii bip bir bis bpa bpb bpd bph bpi bpp bpr bps bra brb brd brh bri brp brr brs bsa bsb bsd bsh bsi bsp bsr bss daa dab dad dah dai dap dar das dba dbb dbd dbh dbi dbp dbr dbs dda ddb ddd ddh ddi ddp ddr dds dh- dha dhb dhd dhh dhi dhp dhr dhs di- dia dib did dih dii dip dir dis dpa dpb dpd dph dpi dpp dpr dps dra drb drd dri drp drr drs dsa dsb dsd dsh dsi dsp dsr dss h-i haa hab had hah hai hap har has hba hbb hbd hbh hbi hbp hbr hbs hda hdb hdd hdh hdi hdp hdr hds hha hhb hhd hhh hhi hhp hhr hhs hia hib hid hih hii hip hir his hpa hpb hpd hph hpi hpp hpr hps hr- hra hrb hrd hrh hri hrp hrr hrs hsa hsb hsd hsh hsi hsp hsr hss i-d ia- iaa iab iad iah iai iap iar ias iba ibb ibd ibh ibi ibp ibr ibs ida idb idd idh idi idp idr ids iha ihb ihd ihh ihi ihp ihr ihs iia iib iid iih iii iip iir iis ipa ipb ipd ipi ipp ipr ips ir- ira irb ird iri irp irr irs is- isa isb isd ish isi isp isr iss p-p paa pab pad pah pai pap par pas pba pbb pbd pbi pbp pbr pbs pda pdb pdd pdh pdi pdp pdr pds pha phb phd phi php phr phs pia pib pid pih pii pip pir pis ppa ppb ppd pph ppi ppp ppr pps pra prb prd prh pri prp prr prs ps- psa psb psd psh psi psp psr pss ra- raa rab rad rah rai rap rar ras rba rbb rbd rbh rbi rbp rbr rbs rda rdb rdd rdh rdi rdp rdr rds rh- rha rhb rhd rhh rhi rhp rhr rhs ria rib rid rih rii rip rir ris rpa rpb rpd rph rpi rpp rpr rps rra rrb rrd rrh rri rrp rrr rrs rsa rsb rsd rsh rsi rsp rsr rss saa sab sad sah sai sap sar sas sba sbb sbd sbh sbi sbp sbr sbs sda sdb sdd sdh sdi sdp sdr sds sh- sha shb shd shh shi shp shr shs sia sib sid sih sii sip sir sis spa spb spd sph spi spp spr sps sr- sra srb srd srh sri srp srr srs ss- ssa ssb ssd ssh ssi ssp ssr sss