rks rkt rla rlc rle rlg rll rln rlr rls rlt rna rnb rnc rng rnn rnr rns rnt rra rrb rrc rrg rrk rrl rrn rrr rrs rrt rsa rsb rsc rse rsg rsk rsl rsn rsr rss rst rta rtb rtc rte rtg rtk rtl rtn rtr rts rtt saa sab sac sae sag sak sal san sar sas sat sba sbb sbc sbe sbg sbk sbl sbn sbr sbs sbt sca scb scc sce scg sck scl scn scr scs sct se- sea seb sec see seg sek sel sen ser ses set sga sgb sgc sge sgg sgk sgl sgn sgr sgs sgt sk- ska skb skc ske skg skk skl skr sks skt sla slb slc sle slg slk sll sln slr sls slt sna snb snc sne sng snk snl snn snr sns snt sr- sra srb src sre srg srk srl srn srr srs srt ss- ssa ssb ssc sse ssg ssk ssl ssn ssr sss sst sta stb stc ste stg stk stl stn str sts stt taa tab tac tae tag tak tal tan tar tas tat tba tbb tbc tbe tbg tbk tbl tbn tbr tbs tbt tca tcb tcc tce tcg tck tcl tcn tcr tcs tct te- tea teb tec tee teg tek tel ten ter tes tet tga tgb tgc tge tgg tgk tgl tgn tgr tgs tgt tka tkb tkc tke tkg tkk tkl tkr tks tkt tla tlc tle tlg tlk tll tln tlr tls tlt tna tnb tnc tne tng tnk tnl tnn tnr tns tnt tra trb trc tre trg trk trl trn trr trs trt tsa tsb tsc tse tsg tsk tsl tsn tsr tss tst tta ttb ttc tte ttg ttk ttl ttn ttr tts ttt