snf sni snl snn sno sns snt soa sob soc sod soe sof soh soi sol son soo sos sot ss- ssa ssb ssc ssd sse ssf ssh ssi ssl ssn sso sss sst sta stb stc std ste stf sth sti stl stn sto sts stt taa tab tac tad tae taf tah tai tal tan tao tas tat tba tbb tbc tbd tbe tbf tbh tbi tbl tbn tbo tbs tbt tca tcb tcc tcd tce tcf tch tci tcl tcn tco tcs tct tda tdb tdc tdd tde tdf tdh tdi tdl tdn tdo tds tdt te- tea teb tec ted tee tef teh tei tel ten teo tes tet tfa tfb tfc tfd tfe tff tfh tfi tfl tfn tfo tfs tft th- tha thb thc thd the thf thh thi thl thn tho ths tht tia tib tic tid tie tif tih tii til tin tio tis tit tla tlc tld tle tlf tlh tli tll tln tlo tls tlt tna tnb tnc tnd tne tnf tnh tni tnl tnn tno tns tnt to- toa tob toc tod toe tof toh toi tol ton too tos tot tsa tsb tsc tsd tse tsf tsh tsi tsl tsn tso tss tst tta ttb ttc ttd tte ttf tth tti ttl ttn tto tts ttt