ggg ggi ggo ggs ggt gig gii gio gis git gog goi goo gos got gsg gsi gso gss gst gtg gti gto gts gtt igg igi igo igs igt iii iio iis iit io- iog ioi ioo ios iot is- isg isi iso iss ist itg iti ito its itt o-i ogg ogi ogo ogs ogt oii oio ois oit oo- oog ooi ooo oos oot os- osg osi oso oss ost ot- otg oti oto ots ott sgg sgi sgo sgs sgt sig sii sio sis sit sog soi soo sos sot ss- ssg ssi sso sss sst stg sti sto sts stt tgg tgi tgo tgs tgt tig tii tio tis tit to- tog toi too tos tot tsg tsi tso tss tst ttg tti tto tts ttt