ong onh oni onk onn ono ons ont oo- ooc ood oog ooh ooi ook oon ooo oos oot os- osc osd ose osg osh osi osk osn oso oss ost ot- otc otd ote otg oth oti otk otn oto ots ott scc scd sce scg sch sci sck scn sco scs sct sdc sdd sde sdg sdh sdi sdk sdn sdo sds sdt se- sec sed see seg seh sei sek sen seo ses set sgc sgd sge sgg sgh sgi sgk sgn sgo sgs sgt sh- shc shd she shg shh shi shk shn sho shs sht sic sid sie sig sih sii sik sin sio sis sit sk- skc skd ske skg skh ski skk sko sks skt snc snd sne sng sni snk snn sno sns snt soc sod soe sog soh soi sok son soo sos sot ss- ssc ssd sse ssg ssh ssi ssk ssn sso sss sst stc std ste stg sth sti stk stn sto sts stt tcc tcd tce tcg tch tci tck tcn tco tcs tct tdc tdd tde tdg tdh tdi tdk tdn tdo tds tdt te- tec ted tee teg teh tei tek ten teo tes tet tgc tge tgg tgh tgi tgk tgn tgo tgs tgt th- thc thd the thg thh thi thk thn tho ths tht tic tid tie tig tih tii tik tin tio tis tit tkc tke tkg tkk tko tks tkt tnc tnd tne tng tnh tni tnk tnn tno tns tnt to- toc tod toe tog toh toi tok ton too tos tot tsc tsd tse tsg tsh tsi tsk tsn tso tss tst ttc ttd tte ttg tth tti ttk ttn tto tts ttt