k-t kkk kkm kks kkt kku kmk kmm kmo kms kmt kmu kok kom koo kos kot kou ksk ksm kso kss kst ksu ktk ktm kto kts ktt ktu kuk kum kus kut kuu m-o mkk mkm mko mks mkt mku mmk mmm mmo mms mmt mmu mok mom moo mos mot mou msk msm mso mss mst msu mtk mtm mto mts mtt mtu muk mum mus mut muu okk oko oks oku om- omm omo oms omt omu oo- ook oom ooo oos oot os- osk osm oso oss ost osu ot- otk otm oto ots ott otu ou- ouk oum ouo ous out sk- skk skm sko sks skt sku smk smm smo sms smt smu sok som soo sos sot sou ss- ssk ssm sso sss sst ssu stk stm sto sts stt stu suk sum suo sus sut suu tkk tkm tko tks tkt tmk tmm tmo tms tmt tmu to- tok tom too tos tot tou tsk tsm tso tss tst tsu ttk ttm tto tts ttt ttu tuk tum tuo tus tut tuu ukk uku um- umm umo ums umt umu uok uom uoo uos uot usk usm uso uss ust usu utk utm uto uts utt utu uum uus uut uuu