-th a-a a-b a-i a-t aaa aab aah aai aap aar aat ab- aba abb abh abi abp abr abt aha ahb ahh ahi ahp ahr aht ai- aia aib aih aii aip air ait ap- apa apb aph api app apr apt ar- ara arb arh ari arp arr art at- ata atb ath ati atp atr att b-p baa bab bah bai bap bar bat bba bbb bbh bbi bbp bbr bbt bha bhb bhh bhi bhp bhr bht bi- bia bib bih bii bip bir bit bpa bpb bph bpi bpp bpr bpt bra brb brh bri brp brr brt bta btb bth bti btp btr btt h-i haa hab hah hai hap har hat hba hbb hbh hbi hbp hbr hbt hha hhb hhh hhi hhp hhr hht hia hib hih hii hip hir hit hpa hpb hph hpi hpp hpr hpt hr- hra hrb hrh hri hrp hrr hrt hta htb hth hti htp htr htt ia- iaa iab iah iai iap iar iat iba ibb ibh ibi ibp ibr ibt iha ihb ihh ihi ihp ihr iht iia iib iih iii iip iir iit ipa ipb ipi ipp ipr ipt ir- ira irb iri irp irr irt ita itb ith iti itp itt p-p paa pab pah pai pap par pat pba pbb pbi pbp pbr pbt pha phb phi php phr pht pia pib pih pii pip pir pit ppa ppb pph ppi ppp ppr ppt pra prb prh pri prp prr prt pt- pta ptb pth pti ptp ptr ptt ra- raa rab rah rai rap rar rat rba rbb rbh rbi rbp rbr rbt rh- rha rhb rhh rhi rhp rhr rht ria rib rih rii rip rir rit rpa rpb rph rpi rpp rpr rpt rra rrb rrh rri rrp rrr rrt rta rtb rti rtp rtr rtt taa tab tah tai tap tar tat tba tbb tbh tbi tbp tbr tbt th- tha thb thh thi thp thr tht tia tib tih tii tip tir tit tpa tpb tph tpi tpp tpr tpt tra trb trh tri trp trr trt tta ttb tth tti ttp ttr ttt