rii rik rim rio rir ris rit rkc rke rkk rkm rko rks rkt rmc rmd rme rmh rmi rmm rmo rmr rms rmt roc rod roe roh roi rok rom roo ror ros rot rrc rrd rrh rri rrk rrm rrr rrs rrt rsc rsd rse rsh rsi rsk rsm rso rsr rss rst rtc rtd rte rti rtk rtm rto rtr rts rtt scc scd sce sch sci sck scm sco scr scs sct sdc sdd sde sdh sdi sdk sdm sdo sdr sds sdt se- sec sed see seh sei sek sem seo ser ses set sh- shc shd she shh shi shk shm sho shr shs sht sic sid sie sih sii sik sim sio sir sis sit sk- skc skd ske skh ski skk skm sko skr sks skt smc smd sme smh smi smk smm smo smr sms smt soc sod soe soh soi sok som soo sor sos sot sr- src srd sre srh sri srk srm sro srr srs srt ss- ssc ssd sse ssh ssi ssk ssm sso ssr sss sst stc std ste sth sti stk stm sto str sts stt tcc tcd tce tch tci tck tcm tco tcr tcs tct tdc tdd tde tdh tdi tdk tdm tdo tdr tds tdt te- tec ted tee teh tei tek tem teo ter tes tet th- thc thd the thh thi thk thm tho thr ths tht tic tid tie tih tii tik tim tio tir tis tit tkc tke tkk tkm tko tkr tks tkt tmc tmd tme tmh tmi tmk tmm tmo tmr tms tmt to- toc tod toe toh toi tok tom too tor tos tot trc trd tre trh tri trk trm tro trr trs trt tsc tsd tse tsh tsi tsk tsm tso tsr tss tst ttc ttd tte tth tti ttk ttm tto ttr tts ttt