oos oot os- osd ose osg osh osi osk osl osn oso oss ost ot- otd ote otg oth oti otk otl otn oto ots ott sdd sde sdg sdh sdi sdk sdl sdn sdo sds sdt se- sed see seg seh sei sek sel sen seo ses set sgd sge sgg sgh sgi sgk sgl sgn sgo sgs sgt sh- shd she shg shh shi shk shl shn sho shs sht sid sie sig sih sii sik sil sin sio sis sit sk- skd ske skg skh ski skk skl sko sks skt sld sle slg slh sli slk sll sln slo sls slt snd sne sng sni snk snl snn sno sns snt sod soe sog soh soi sok sol son soo sos sot ss- ssd sse ssg ssh ssi ssk ssl ssn sso sss sst std ste stg sth sti stk stl stn sto sts stt tdd tde tdg tdh tdi tdk tdl tdn tdo tds tdt te- ted tee teg teh tei tek tel ten teo tes tet tge tgg tgh tgi tgk tgl tgn tgo tgs tgt th- thd the thg thh thi thk thl thn tho ths tht tid tie tig tih tii tik til tin tio tis tit tke tkg tkk tkl tko tks tkt tld tle tlg tlh tli tlk tll tln tlo tls tlt tnd tne tng tnh tni tnk tnl tnn tno tns tnt to- tod toe tog toh toi tok tol ton too tos tot tsd tse tsg tsh tsi tsk tsl tsn tso tss tst ttd tte ttg tth tti ttk ttl ttn tto tts ttt