-up ddd ddi ddm ddp dds ddu di- did dii dim dip dis diu dmd dmi dmm dmp dms dmu dpd dpi dpm dpp dps dpu dsd dsi dsm dsp dss dsu dud dui dum dup dus i-d idd idi idm idp ids idu iid iii iim iip iis iiu im- imd imi imm imp ims imu ipd ipi ipm ipp ips ipu is- isd isi ism isp iss isu iu- iud iui ium iup ius mdd mdi mdm mdp mds mdu mi- mid mii mim mip mis miu mmd mmi mmm mmp mms mmu mpd mpi mpm mpp mps mpu msd msi msm msp mss msu mud mui mum mup mus muu p-p pdd pdi pdm pdp pds pdu pid pii pim pip pis piu pmd pmi pmm pmp pms pmu ppd ppi ppm ppp pps ppu ps- psd psi psm psp pss psu pud pui pum pup pus puu sdd sdi sdm sdp sds sdu sid sii sim sip sis siu smd smi smm smp sms smu spd spi spm spp sps spu ss- ssd ssi ssm ssp sss ssu sud sui sum sup sus suu udd udi udm udp uds udu uid uii uim uip uis uiu um- umd umi umm ump ums umu up- upd upi upm upp ups upu usd usi usm usp uss usu uum uus uuu