peg peh pel pem peo pep per pes pga pgb pge pgg pgh pgl pgm pgo pgp pgr pgs pha phb phe phg phl phm pho php phr phs pla plb ple plg plh pll plm plo plp plr pls pma pmb pme pmg pmh pml pmm pmo pmp pmr pms poa pob poe pog poh pol pom poo pop por pos ppa ppb ppe ppg pph ppl ppm ppo ppp ppr pps pra prb pre prg prh prl prm pro prp prr prs ps- psa psb pse psg psh psl psm pso psp psr pss ra- raa rab rae rag rah ral ram rao rap rar ras rba rbb rbe rbg rbh rbl rbm rbo rbp rbr rbs re- rea reb ree reg reh rel rem reo rep rer res rga rgb rge rgg rgh rgo rgp rgr rgs rh- rha rhb rhe rhg rhh rhl rhm rho rhp rhr rhs rla rle rlg rlh rll rlm rlo rlp rlr rls rma rmb rme rmg rmh rml rmm rmo rmp rmr rms roa rob roe rog roh rol rom roo rop ror ros rpa rpb rpe rpg rph rpl rpm rpo rpp rpr rps rra rrb rrg rrh rrl rrm rrp rrr rrs rsa rsb rse rsg rsh rsl rsm rso rsp rsr rss saa sab sae sag sah sal sam sao sap sar sas sba sbb sbe sbg sbh sbl sbm sbo sbp sbr sbs se- sea seb see seg seh sel sem seo sep ser ses sga sgb sge sgg sgh sgl sgm sgo sgp sgr sgs sh- sha shb she shg shh shl shm sho shp shr shs sla slb sle slg slh sll slm slo slp slr sls sma smb sme smg smh sml smm smo smp smr sms soa sob soe sog soh sol som soo sop sor sos spa spb spe spg sph spl spm spo spp spr sps sr- sra srb sre srg srh srl srm sro srp srr srs ss- ssa ssb sse ssg ssh ssl ssm sso ssp ssr sss