rit rkk rko rkp rks rkt rla rld rlh rli rll rlo rlp rlr rls rlt roa rod roh roi rok rol roo rop ror ros rot rpa rpd rph rpi rpk rpl rpo rpp rpr rps rpt rra rrd rrh rri rrk rrl rrp rrr rrs rrt rsa rsd rsh rsi rsk rsl rso rsp rsr rss rst rta rtd rti rtk rtl rto rtp rtr rts rtt saa sad sah sai sak sal sao sap sar sas sat sda sdd sdh sdi sdk sdl sdo sdp sdr sds sdt sh- sha shd shh shi shk shl sho shp shr shs sht sia sid sih sii sik sil sio sip sir sis sit sk- ska skd skh ski skk skl sko skp skr sks skt sla sld slh sli slk sll slo slp slr sls slt soa sod soh soi sok sol soo sop sor sos sot spa spd sph spi spk spl spo spp spr sps spt sr- sra srd srh sri srk srl sro srp srr srs srt ss- ssa ssd ssh ssi ssk ssl sso ssp ssr sss sst sta std sth sti stk stl sto stp str sts stt taa tad tah tai tak tal tao tap tar tas tat tda tdd tdh tdi tdk tdl tdo tdp tdr tds tdt th- tha thd thh thi thk thl tho thp thr ths tht tia tid tih tii tik til tio tip tir tis tit tka tkk tkl tko tkp tkr tks tkt tla tld tlh tli tlk tll tlo tlp tlr tls tlt to- toa tod toh toi tok tol too top tor tos tot tpa tpd tph tpi tpk tpl tpo tpp tpr tps tpt tra trd trh tri trk trl tro trp trr trs trt tsa tsd tsh tsi tsk tsl tso tsp tsr tss tst tta ttd tth tti ttk ttl tto ttp ttr tts ttt