rks rkt rnc rnh rni rnn rno rnp rnr rns rnt roc roe roh roi rok ron roo rop ror ros rot rpc rpe rph rpi rpk rpn rpo rpp rpr rps rpt rrc rrh rri rrk rrn rrp rrr rrs rrt rsc rse rsh rsi rsk rsn rso rsp rsr rss rst rtc rte rti rtk rtn rto rtp rtr rts rtt scc sce sch sci sck scn sco scp scr scs sct se- sec see seh sei sek sen seo sep ser ses set sh- shc she shh shi shk shn sho shp shr shs sht sic sie sih sii sik sin sio sip sir sis sit sk- skc ske skh ski skk sko skp skr sks skt snc sne sni snk snn sno snp snr sns snt soc soe soh soi sok son soo sop sor sos sot spc spe sph spi spk spn spo spp spr sps spt sr- src sre srh sri srk srn sro srp srr srs srt ss- ssc sse ssh ssi ssk ssn sso ssp ssr sss sst stc ste sth sti stk stn sto stp str sts stt tcc tce tch tci tck tcn tco tcp tcr tcs tct te- tec tee teh tei tek ten teo tep ter tes tet th- thc the thh thi thk thn tho thp thr ths tht tic tie tih tii tik tin tio tip tir tis tit tkc tke tkk tko tkp tkr tks tkt tnc tne tnh tni tnk tnn tno tnp tnr tns tnt to- toc toe toh toi tok ton too top tor tos tot tpc tpe tph tpi tpk tpn tpo tpp tpr tps tpt trc tre trh tri trk trn tro trp trr trs trt tsc tse tsh tsi tsk tsn tso tsp tsr tss tst ttc tte tth tti ttk ttn tto ttp ttr tts ttt