rgt ria ric rie rig rii rik rin rip rir ris rit rkc rke rkg rkk rkp rks rkt rna rnc rng rni rnn rnp rnr rns rnt rpa rpc rpe rpg rpi rpk rpn rpp rpr rps rpt rra rrc rrg rri rrk rrn rrp rrr rrs rrt rsa rsc rse rsg rsi rsk rsn rsp rsr rss rst rta rtc rte rtg rti rtk rtn rtp rtr rts rtt saa sac sae sag sai sak san sap sar sas sat sca scc sce scg sci sck scn scp scr scs sct se- sea sec see seg sei sek sen sep ser ses set sga sgc sge sgg sgi sgk sgn sgp sgr sgs sgt sia sic sie sig sii sik sin sip sir sis sit sk- ska skc ske skg ski skk skp skr sks skt sna snc sne sng sni snk snn snp snr sns snt spa spc spe spg spi spk spn spp spr sps spt sr- sra src sre srg sri srk srn srp srr srs srt ss- ssa ssc sse ssg ssi ssk ssn ssp ssr sss sst sta stc ste stg sti stk stn stp str sts stt taa tac tae tag tai tak tan tap tar tas tat tca tcc tce tcg tci tck tcn tcp tcr tcs tct te- tea tec tee teg tei tek ten tep ter tes tet tga tgc tge tgg tgi tgk tgn tgp tgr tgs tgt tia tic tie tig tii tik tin tip tir tis tit tka tkc tke tkg tkk tkp tkr tks tkt tna tnc tne tng tni tnk tnn tnp tnr tns tnt tpa tpc tpe tpg tpi tpk tpn tpp tpr tps tpt tra trc tre trg tri trk trn trp trr trs trt tsa tsc tse tsg tsi tsk tsn tsp tsr tss tst tta ttc tte ttg tti ttk ttn ttp ttr tts ttt