-th a-a a-b a-t aaa aab aae aah aap aas aat ab- aba abb abe abh abp abs abt aea aeb aee aeh aep aes aet aha ahb ahe ahh ahp ahs aht ap- apa apb ape aph app aps apt as- asa asb ase ash asp ass ast at- ata atb ate ath atp ats att b-p baa bab bae bah bap bas bat bba bbb bbe bbh bbp bbs bbt be- bea beb bee beh bep bes bet bha bhb bhe bhh bhp bhs bht bpa bpb bpe bph bpp bps bpt bsa bsb bse bsh bsp bss bst bta btb bte bth btp bts btt eaa eab eae eah eap eas eat eba ebb ebe ebh ebp ebs ebt eea eeb eee eep ees eet eha ehb ehe ehh ehp ehs eht ep- epa epb epe eph epp eps ept es- esa esb ese esh esp ess est eta etb ete eth etp ets ett haa hab hae hah hap has hat hba hbb hbe hbh hbp hbs hbt he- hea heb hee heh hep hes het hha hhb hhe hhh hhp hhs hht hpa hpb hpe hph hpp hps hpt hsa hsb hse hsh hsp hss hst hta htb hte hth htp hts htt p-p paa pab pae pah pap pas pat pba pbb pbe pbp pbs pbt pea peb pee peh pep pes pet pha phb phe php phs pht ppa ppb ppe pph ppp pps ppt ps- psa psb pse psh psp pss pst pt- pta ptb pte pth ptp pts ptt saa sab sae sah sap sas sat sba sbb sbe sbh sbp sbs sbt se- sea seb see seh sep ses set sh- sha shb she shh shp shs sht spa spb spe sph spp sps spt ss- ssa ssb sse ssh ssp sss sst sta stb ste sth stp sts stt taa tab tae tah tap tas tat tba tbb tbe tbh tbp tbs tbt te- tea teb tee teh tep tes tet th- tha thb the thh thp ths tht tpa tpb tpe tph tpp tps tpt tsa tsb tse tsh tsp tss tst tta ttb tte tth ttp tts ttt