sos sot spa spb spc spe sph spi spm spn spo spp spr sps spt sr- sra srb src sre srh sri srm srn sro srp srr srs srt ss- ssa ssb ssc sse ssh ssi ssm ssn sso ssp ssr sss sst sta stb stc ste sth sti stm stn sto stp str sts stt taa tab tac tae tah tai tam tan tao tap tar tas tat tba tbb tbc tbe tbh tbi tbm tbn tbo tbp tbr tbs tbt tca tcb tcc tce tch tci tcm tcn tco tcp tcr tcs tct te- tea teb tec tee teh tei tem ten teo tep ter tes tet th- tha thb thc the thh thi thm thn tho thp thr ths tht tia tib tic tie tih tii tim tin tio tip tir tis tit tma tmb tmc tme tmh tmi tmm tmn tmo tmp tmr tms tmt tna tnb tnc tne tnh tni tnm tnn tno tnp tnr tns tnt to- toa tob toc toe toh toi tom ton too top tor tos tot tpa tpb tpc tpe tph tpi tpm tpn tpo tpp tpr tps tpt tra trb trc tre trh tri trm trn tro trp trr trs trt tsa tsb tsc tse tsh tsi tsm tsn tso tsp tsr tss tst tta ttb ttc tte tth tti ttm ttn tto ttp ttr tts ttt