oog ooh ooi ook oon ooo oos oot os- osb osd ose osg osh osi osk osn oso oss ost ot- otb otd ote otg oth oti otk otn oto ots ott sbb sbd sbe sbg sbh sbi sbk sbn sbo sbs sbt sdb sdd sde sdg sdh sdi sdk sdn sdo sds sdt se- seb sed see seg seh sei sek sen seo ses set sgb sgd sge sgg sgh sgi sgk sgn sgo sgs sgt sh- shb shd she shg shh shi shk shn sho shs sht sib sid sie sig sih sii sik sin sio sis sit sk- skb skd ske skg skh ski skk sko sks skt snb snd sne sng sni snk snn sno sns snt sob sod soe sog soh soi sok son soo sos sot ss- ssb ssd sse ssg ssh ssi ssk ssn sso sss sst stb std ste stg sth sti stk stn sto sts stt tbb tbd tbe tbg tbh tbi tbk tbn tbo tbs tbt tdb tdd tde tdg tdh tdi tdk tdn tdo tds tdt te- teb ted tee teg teh tei tek ten teo tes tet tgb tge tgg tgh tgi tgk tgn tgo tgs tgt th- thb thd the thg thh thi thk thn tho ths tht tib tid tie tig tih tii tik tin tio tis tit tkb tke tkg tkk tko tks tkt tnb tnd tne tng tnh tni tnk tnn tno tns tnt to- tob tod toe tog toh toi tok ton too tos tot tsb tsd tse tsg tsh tsi tsk tsn tso tss tst ttb ttd tte ttg tth tti ttk ttn tto tts ttt