pci pcm pcn pcp pcr pcs pea pec pee pef peh pei pem pen pep per pes pfa pfc pfe pff pfi pfm pfn pfp pfr pfs pha phc phe phf phi phm phn php phr phs pia pic pie pif pih pii pim pin pip pir pis pma pmc pme pmf pmh pmi pmm pmn pmp pmr pms pn- pna pnc pne pnf pnh pni pnm pnn pnp pnr pns ppa ppc ppe ppf pph ppi ppm ppn ppp ppr pps pra prc pre prf prh pri prm prn prp prr prs ps- psa psc pse psf psh psi psm psn psp psr pss ra- raa rac rae raf rah rai ram ran rap rar ras rca rcc rce rcf rch rci rcm rcn rcp rcr rcs re- rea rec ree ref reh rei rem ren rep rer res rfa rfc rfe rff rfh rfi rfm rfn rfp rfr rfs rh- rha rhc rhe rhf rhh rhi rhm rhn rhp rhr rhs ria ric rie rif rih rii rim rin rip rir ris rma rmc rme rmf rmh rmi rmm rmn rmp rmr rms rna rnc rnh rni rnm rnn rnp rnr rns rpa rpc rpe rpf rph rpi rpm rpn rpp rpr rps rra rrc rrf rrh rri rrm rrn rrp rrr rrs rsa rsc rse rsf rsh rsi rsm rsn rsp rsr rss saa sac sae saf sah sai sam san sap sar sas sca scc sce scf sch sci scm scn scp scr scs se- sea sec see sef seh sei sem sen sep ser ses sfa sfc sfe sff sfh sfi sfm sfn sfp sfr sfs sh- sha shc she shf shh shi shm shn shp shr shs sia sic sie sif sih sii sim sin sip sir sis sma smc sme smf smh smi smm smn smp smr sms sna snc sne snf sni snm snn snp snr sns spa spc spe spf sph spi spm spn spp spr sps sr- sra src sre srf srh sri srm srn srp srr srs ss- ssa ssc sse ssf ssh ssi ssm ssn ssp ssr sss