rom ron roo ror ros rot rra rrd rri rrm rrn rrr rrs rrt rsa rsd rse rsi rsj rsm rsn rso rsr rss rst rta rtd rte rti rtj rtm rtn rto rtr rts rtt saa sad sae sai saj sam san sao sar sas sat sda sdd sde sdi sdj sdm sdn sdo sdr sds sdt se- sea sed see sei sej sem sen seo ser ses set sia sid sie sii sij sim sin sio sir sis sit sja sjd sje sji sjj sjm sjr sjs sjt sma smd sme smi smm smn smo smr sms smt sna snd sne sni snj snm snn sno snr sns snt soa sod soe soi soj som son soo sor sos sot sr- sra srd sre sri srj srm srn sro srr srs srt ss- ssa ssd sse ssi ssj ssm ssn sso ssr sss sst sta std ste sti stj stm stn sto str sts stt taa tad tae tai taj tam tan tao tar tas tat tda tdd tde tdi tdm tdn tdo tdr tds tdt te- tea ted tee tei tej tem ten teo ter tes tet tia tid tie tii tim tin tio tir tis tit tjd tje tji tjm tjo tjr tjs tma tmd tme tmi tmj tmm tmn tmo tmr tms tmt tna tnd tne tni tnm tnn tno tnr tns tnt to- toa tod toe toi toj tom ton too tor tos tot tra trd tre tri trm trn tro trr trs trt tsa tsd tse tsi tsj tsm tsn tso tsr tss tst tta ttd tte tti ttm ttn tto ttr tts ttt