-up ddd dde ddi ddp dds ddu de- ded dee dei dep des deu di- did die dii dip dis diu dpd dpe dpi dpp dps dpu dsd dse dsi dsp dss dsu dud due dui dup dus ed- edd ede edi edp eds edu eed eee eep ees eid eie eii eip eis eiu ep- epd epe epi epp eps epu es- esd ese esi esp ess esu eu- eud eue eui eup eus i-d idd ide idi idp ids idu ie- ied iee iei iep ies iid iie iii iip iis iiu ipd ipe ipi ipp ips ipu is- isd ise isi isp iss isu iu- iud iue iui iup ius p-p pdd pde pdi pdp pds pdu ped pee pei pep pes peu pid pie pii pip pis piu ppd ppe ppi ppp pps ppu ps- psd pse psi psp pss psu pud pue pui pup pus puu sdd sde sdi sdp sds sdu se- sed see sei sep ses seu sid sie sii sip sis siu spd spe spi spp sps spu ss- ssd sse ssi ssp sss ssu sud sue sui sup sus suu udd ude udi udp uds udu ued uee uei uep ues uid uie uii uip uis uiu up- upd upe upi upp ups upu usd use usi usp uss usu uue uus uuu