a-a a-b aaa aab aae aah aan aap aas ab- aba abb abe abh abn abp abs aea aeb aee aeh aen aep aes aha ahb ahe ahh ahn ahp ahs an- ana anb ane anh ann anp ans ap- apa apb ape aph apn app aps as- asa asb ase ash asn asp ass b-p baa bab bae bah ban bap bas bba bbb bbe bbh bbn bbp bbs be- bea beb bee beh ben bep bes bha bhb bhe bhh bhp bhs bna bnb bne bnn bnp bns bpa bpb bpe bph bpn bpp bps bsa bsb bse bsh bsn bsp bss eaa eab eae eah ean eap eas eba ebb ebe ebh ebn ebp ebs eea eeb eee een eep ees eha ehb ehe ehh ehn ehp ehs en- ena enb ene enh enn enp ens ep- epa epb epe eph epn epp eps es- esa esb ese esh esn esp ess haa hab hae hah han hap has hba hbb hbe hbh hbn hbp hbs he- hea heb hee heh hen hep hes hha hhb hhe hhh hhn hhp hhs hna hnb hne hnh hnn hns hpa hpb hpe hph hpn hpp hps hsa hsb hse hsh hsn hsp hss naa nab nae nah nan nap nas nba nbb nbe nbn nbp nbs ne- nea neb nee neh nen nep nes nha nhb nhe nhh nhn nhp nhs nna nnb nne nnh nnn nnp nns npa npb npe nph npn npp nps nsa nsb nse nsh nsn nsp nss p-p paa pab pae pah pan pap pas pba pbb pbe pbn pbp pbs pea peb pee peh pen pep pes pha phb phe phn php phs pn- pna pnb pne pnh pnn pnp pns ppa ppb ppe pph ppn ppp pps ps- psa psb pse psh psn psp pss saa sab sae sah san sap sas sba sbb sbe sbh sbn sbp sbs se- sea seb see seh sen sep ses sh- sha shb she shh shn shp shs sna snb sne snn snp sns spa spb spe sph spn spp sps ss- ssa ssb sse ssh ssn ssp sss