rlc rle rlg rlh rll rlo rlr rls rlt roa roc roe rog roh rok rol roo ror ros rot rra rrc rrg rrh rrk rrl rrr rrs rrt rsa rsc rse rsg rsh rsk rsl rso rsr rss rst rta rtc rte rtg rtk rtl rto rtr rts rtt saa sac sae sag sah sak sal sao sar sas sat sca scc sce scg sch sck scl sco scr scs sct se- sea sec see seg seh sek sel seo ser ses set sga sgc sge sgg sgh sgk sgl sgo sgr sgs sgt sh- sha shc she shg shh shk shl sho shr shs sht sk- ska skc ske skg skh skk skl sko skr sks skt sla slc sle slg slh slk sll slo slr sls slt soa soc soe sog soh sok sol soo sor sos sot sr- sra src sre srg srh srk srl sro srr srs srt ss- ssa ssc sse ssg ssh ssk ssl sso ssr sss sst sta stc ste stg sth stk stl sto str sts stt taa tac tae tag tah tak tal tao tar tas tat tca tcc tce tcg tch tck tcl tco tcr tcs tct te- tea tec tee teg teh tek tel teo ter tes tet tga tgc tge tgg tgh tgk tgl tgo tgr tgs tgt th- tha thc the thg thh thk thl tho thr ths tht tka tkc tke tkg tkk tkl tko tkr tks tkt tla tlc tle tlg tlh tlk tll tlo tlr tls tlt to- toa toc toe tog toh tok tol too tor tos tot tra trc tre trg trh trk trl tro trr trs trt tsa tsc tse tsg tsh tsk tsl tso tsr tss tst tta ttc tte ttg tth ttk ttl tto ttr tts ttt