snt snu soc soe sog soi sok son soo sop sos sot sou spc spe spg spi spk spn spo spp sps spt spu ss- ssc sse ssg ssi ssk ssn sso ssp sss sst ssu stc ste stg sti stk stn sto stp sts stt stu suc sue sug sui suk sun suo sup sus sut suu tcc tce tcg tci tck tcn tco tcp tcs tct tcu te- tec tee teg tei tek ten teo tep tes tet teu tgc tge tgg tgi tgk tgn tgo tgp tgs tgt tgu tic tie tig tii tik tin tio tip tis tit tiu tkc tke tkg tkk tko tkp tks tkt tnc tne tng tni tnk tnn tno tnp tns tnt to- toc toe tog toi tok ton too top tos tot tou tpc tpe tpg tpi tpk tpn tpo tpp tps tpt tpu tsc tse tsg tsi tsk tsn tso tsp tss tst tsu ttc tte ttg tti ttk ttn tto ttp tts ttt ttu tuc tue tug tui tuk tun tuo tup tus tut tuu ucc uce ucg uci uck ucn uco ucp ucs uct ucu uec uee ueg uei uen uep ues uet ugc uge ugg ugi ugk ugn ugo ugp ugs ugt ugu uic uie uig uii uin uio uip uis uit uiu ukc uke uki ukk ukn ukp uku un- unc une ung uni unk unn uno unp uns unt unu uoc uoe uog uok uon uoo uop uos uot up- upc upe upg upi upk upn upo upp ups upt upu usc use usg usi usk usn uso usp uss ust usu utc ute uti utk utn uto utp uts utt utu uuc uue uug uun uus uut uuu