psk psl psm pso psp psr pss ra- raa rac rae raj rak ral ram rao rap rar ras rca rcc rce rcj rcl rcm rco rcp rcr rcs re- rea rec ree rek rel rem reo rep rer res rja rjc rjk rjm rjp rjr rkc rke rkk rkm rko rkp rks rla rlc rle rll rlm rlo rlp rlr rls rma rmc rme rml rmm rmo rmp rmr rms roa roc roe roj rok rol rom roo rop ror ros rpa rpc rpe rpk rpl rpm rpo rpp rpr rps rra rrc rrk rrl rrm rrp rrr rrs rsa rsc rse rsj rsk rsl rsm rso rsp rsr rss saa sac sae saj sak sal sam sao sap sar sas sca scc sce scj sck scl scm sco scp scr scs se- sea sec see sej sek sel sem seo sep ser ses sja sjc sje sjj sjk sjm sjp sjr sjs sk- ska skc ske skj skk skl skm sko skp skr sks sla slc sle slj slk sll slm slo slp slr sls sma smc sme smk sml smm smo smp smr sms soa soc soe soj sok sol som soo sop sor sos spa spc spe spk spl spm spo spp spr sps sr- sra src sre srj srk srl srm sro srp srr srs ss- ssa ssc sse ssj ssk ssl ssm sso ssp ssr sss