ngi ngk ngl ngn ngs nia nic nid nie nig nii nik nil nin nir nis nka nkc nke nki nkk nkn nkr nks nla nlc nld nle nlg nli nlk nll nln nlr nls nna nnc nne nng nni nnk nnl nnn nns nra nrc nrd nre nrg nri nrk nrl nrn nrr nrs nsa nsc nsd nse nsg nsi nsk nsl nsn nsr nss ra- raa rac rad rae rag rai rak ral ran rar ras rca rcc rcd rce rcg rci rcl rcn rcr rcs rda rdc rdd rde rdg rdi rdl rdn rdr rds re- rea rec red ree reg rei rek rel ren rer res rga rgc rgd rge rgg rgi rgk rgn rgr rgs ria ric rid rie rig rii rik ril rin rir ris rkc rke rkg rkk rks rla rlc rld rle rlg rli rll rln rlr rls rna rnc rnd rng rni rnn rnr rns rra rrc rrd rrg rri rrk rrl rrn rrr rrs rsa rsc rsd rse rsg rsi rsk rsl rsn rsr rss saa sac sad sae sag sai sak sal san sar sas sca scc scd sce scg sci sck scl scn scr scs sda sdc sdd sde sdg sdi sdk sdl sdn sdr sds se- sea sec sed see seg sei sek sel sen ser ses sga sgc sgd sge sgg sgi sgk sgl sgn sgr sgs sia sic sid sie sig sii sik sil sin sir sis sk- ska skc skd ske skg ski skk skl skr sks sla slc sld sle slg sli slk sll sln slr sls sna snc snd sne sng sni snk snl snn snr sns sr- sra src srd sre srg sri srk srl srn srr srs ss- ssa ssc ssd sse ssg ssi ssk ssl ssn ssr sss