-up iii iim iio iip iis iiu im- imi imm imo imp ims imu io- ioi iom ioo iop ios iou ipi ipm ipo ipp ips ipu is- isi ism iso isp iss isu iu- iui ium iup ius m-o mi- mii mim mio mip mis miu mmi mmm mmo mmp mms mmu moi mom moo mop mos mou mpi mpm mpo mpp mps mpu msi msm mso msp mss msu mui mum mup mus muu o-i oii oim oio oip ois oiu om- omi omm omo omp oms omu oo- ooi oom ooo oop oos op- opi opm opo opp ops os- osi osm oso osp oss osu ou- oui oum ouo oup ous p-p pii pim pio pip pis piu pmi pmm pmo pmp pms pmu poi pom poo pop pos pou ppi ppm ppo ppp pps ppu ps- psi psm pso psp pss psu pui pum pup pus puu sii sim sio sip sis siu smi smm smo smp sms smu soi som soo sop sos sou spi spm spo spp sps spu ss- ssi ssm sso ssp sss ssu sui sum suo sup sus suu uii uim uio uip uis uiu um- umi umm umo ump ums umu uom uoo uop uos up- upi upm upo upp ups upu usi usm uso usp uss usu uum uus uuu