ois oit oka okb okd okg oki okk oko oks om- oma omb omd omg omh omi omm omo oms omt oo- ooa oob ood oog ooh ooi ook oom ooo oos oot os- osa osb osd osg osh osi osk osm oso oss ost ot- ota otb otd otg oth oti otk otm oto ots ott saa sab sad sag sah sai sak sam sao sas sat sba sbb sbd sbg sbh sbi sbk sbm sbo sbs sbt sda sdb sdd sdg sdh sdi sdk sdm sdo sds sdt sga sgb sgd sgg sgh sgi sgk sgm sgo sgs sgt sh- sha shb shd shg shh shi shk shm sho shs sht sia sib sid sig sih sii sik sim sio sis sit sk- ska skb skd skg skh ski skk skm sko sks skt sma smb smd smg smh smi smk smm smo sms smt soa sob sod sog soh soi sok som soo sos sot ss- ssa ssb ssd ssg ssh ssi ssk ssm sso sss sst sta stb std stg sth sti stk stm sto sts stt taa tab tad tag tah tai tak tam tao tas tat tba tbb tbd tbg tbh tbi tbk tbm tbo tbs tbt tda tdb tdd tdg tdh tdi tdk tdm tdo tds tdt tga tgb tgg tgh tgi tgk tgm tgo tgs tgt th- tha thb thd thg thh thi thk thm tho ths tht tia tib tid tig tih tii tik tim tio tis tit tka tkb tkg tkk tkm tko tks tkt tma tmb tmd tmg tmh tmi tmk tmm tmo tms tmt to- toa tob tod tog toh toi tok tom too tos tot tsa tsb tsd tsg tsh tsi tsk tsm tso tss tst tta ttb ttd ttg tth tti ttk ttm tto tts ttt