sni snn sno snp snr sns snt snu sob sog soh soi son soo sop sor sos sot sou spb spg sph spi spn spo spp spr sps spt spu sr- srb srg srh sri srn sro srp srr srs srt ss- ssb ssg ssh ssi ssn sso ssp ssr sss sst ssu stb stg sth sti stn sto stp str sts stt stu sub sug suh sui sun suo sup sur sus sut suu tbb tbg tbh tbi tbn tbo tbp tbr tbs tbt tbu tgb tgg tgh tgi tgn tgo tgp tgr tgs tgt tgu th- thb thg thh thi thn tho thp thr ths tht thu tib tig tih tii tin tio tip tir tis tit tiu tnb tng tnh tni tnn tno tnp tnr tns tnt to- tob tog toh toi ton too top tor tos tot tou tpb tpg tph tpi tpn tpo tpp tpr tps tpt tpu trb trg trh tri trn tro trp trr trs trt tru tsb tsg tsh tsi tsn tso tsp tsr tss tst tsu ttb ttg tth tti ttn tto ttp ttr tts ttt ttu tub tug tuh tui tun tuo tup tur tus tut tuu ubb ubg ubh ubi ubn ubo ubp ubr ubs ubt ubu ugb ugg ugh ugi ugn ugo ugp ugr ugs ugt ugu uhb uhh uhi uho uhp uhr uhs uht uhu uib uig uii uin uio uip uir uis uit uiu un- unb ung unh uni unn uno unp unr uns unt unu uob uog uon uoo uop uor uos uot up- upb upg uph upi upn upo upp upr ups upt upu ur- urb urg uri urn uro urp urr urs urt uru usb usg ush usi usn uso usp usr uss ust usu utb uth uti utn uto utp utr uts utt utu uug uun uur uus uut uuu