sll sln slo slp slq sls slt sna snb sne sni snl snn sno snp sns snt soa sob soe soi sol son soo sop soq sos sot spa spb spe spi spl spn spo spp spq sps spt sqa sqi sql sqn sqq sqs ss- ssa ssb sse ssi ssl ssn sso ssp ssq sss sst sta stb ste sti stl stn sto stp stq sts stt taa tab tae tai tal tan tao tap taq tas tat tba tbb tbe tbi tbl tbn tbo tbp tbs tbt te- tea teb tee tei tel ten teo tep teq tes tet tia tib tie tii til tin tio tip tis tit tla tle tli tll tln tlo tlp tls tlt tna tnb tne tni tnl tnn tno tnp tnq tns tnt to- toa tob toe toi tol ton too top toq tos tot tpa tpb tpe tpi tpl tpn tpo tpp tpq tps tpt tqo tsa tsb tse tsi tsl tsn tso tsp tsq tss tst tta ttb tte tti ttl ttn tto ttp tts ttt