rcr rcs re- rec ree reg reh rei rel ren reo rer res rgc rge rgg rgh rgi rgn rgo rgr rgs rh- rhc rhe rhg rhh rhi rhl rhn rho rhr rhs ric rie rig rih rii ril rin rio rir ris rjc rjg rjr rlc rle rlg rlh rli rll rln rlo rlr rls rnc rng rnh rni rnn rno rnr rns roc roe rog roh roi roj rol ron roo ror ros rrc rrg rrh rri rrl rrn rrr rrs rsc rse rsg rsh rsi rsj rsl rsn rso rsr rss scc sce scg sch sci scj scl scn sco scr scs se- sec see seg seh sei sej sel sen seo ser ses sgc sge sgg sgh sgi sgl sgn sgo sgr sgs sh- shc she shg shh shi shl shn sho shr shs sic sie sig sih sii sij sil sin sio sir sis sjc sje sjh sji sjj sjr sjs slc sle slg slh sli slj sll sln slo slr sls snc sne sng sni snj snl snn sno snr sns soc soe sog soh soi soj sol son soo sor sos sr- src sre srg srh sri srj srl srn sro srr srs ss- ssc sse ssg ssh ssi ssj ssl ssn sso ssr sss