nlc nle nlf nli nlj nll nlm nln nlr nls nma nmc nme nmi nml nmm nmn nmr nms nna nnc nne nnf nni nnl nnm nnn nns nra nrc nre nrf nri nrj nrl nrm nrn nrr nrs nsa nsc nse nsf nsi nsl nsm nsn nsr nss ra- raa rac rae raf rai raj ral ram ran rar ras rca rcc rce rcf rci rcj rcl rcm rcn rcr rcs re- rea rec ree ref rei rel rem ren rer res rfa rfc rfe rff rfi rfj rfl rfm rfn rfr rfs ria ric rie rif rii ril rim rin rir ris rja rjc rjf rjm rjr rla rlc rle rlf rli rll rlm rln rlr rls rma rmc rme rmf rmi rml rmm rmn rmr rms rna rnc rni rnm rnn rnr rns rra rrc rrf rri rrl rrm rrn rrr rrs rsa rsc rse rsf rsi rsj rsl rsm rsn rsr rss saa sac sae saf sai saj sal sam san sar sas sca scc sce scf sci scj scl scm scn scr scs se- sea sec see sef sei sej sel sem sen ser ses sfa sfc sfe sff sfi sfj sfl sfm sfn sfr sfs sia sic sie sif sii sij sil sim sin sir sis sja sjc sje sjf sji sjj sjm sjr sjs sla slc sle slf sli slj sll slm sln slr sls sma smc sme smf smi sml smm smn smr sms sna snc sne snf sni snj snl snm snn snr sns sr- sra src sre srf sri srj srl srm srn srr srs ss- ssa ssc sse ssf ssi ssj ssl ssm ssn ssr sss