kkk kkm kkp kkr kky kmk kmm kmo kmp kok kom koo kop kor koy kpk kpm kpo kpp kpr krk kro krp krr kry kym kyo kyp kyr m-o m-r mkk mkm mko mkp mkr mky mmk mmm mmo mmp mmr mok mom moo mop mor moy mpk mpm mpo mpp mpr mrk mrm mro mrp mrr mry my- myk mym myo myr okk oko okp okr om- omm omo omp omr omy oo- ook oom ooo oop oor op- opk opm opo opp opr opy or- ork orm oro orp orr ory oyo p-p pkm pko pkp pkr pky pmk pmm pmo pmp pmr pok pom poo pop por poy ppk ppm ppo ppp ppr prk prm pro prp prr pry py- pyk pym pyo pyr rkk rkm rko rkp rky rmm rmo rmp rmr rok rom roo rop ror roy rpk rpm rpo rpp rpr rrk rrm rrp rrr ry- ryk rym ryo ryr ryy ykk ykm ymm ymo yok yom yoo yop yor yoy ypo yro yrp yyy