-up ddd dde ddi ddl ddp ddq dds ddu de- ded dee dei del dep deq des deu di- did die dii dil dip diq dis diu dl- dld dle dli dll dlp dls dlu dpd dpe dpi dpl dpp dps dpu dqe dqs dsd dse dsi dsl dsp dsq dss dsu dud due dui dul dup dus ed- edd ede edi edl edp eds edu eed eee eel eep ees eid eie eii eil eip eis eiu eld ele eli ell elp els elu ep- epd epe epi epl epp epq eps epu eqe eqp eqq eqs equ es- esd ese esi esl esp esq ess esu eu- eud eue eui eul eup eus i-d idd ide idi idl idp idq ids idu ie- ied iee iei iel iep ies iid iie iii iil iip iis iiu il- ild ile ili ill ilp ilq ils ilu ipd ipe ipi ipl ipp ips ipu iqd iqe iqs iqu is- isd ise isi isl isp isq iss isu iu- iud iue iui iup ius l-p ldd lde ldi ldl ldp lds ldu led lee lei lel lep leq les leu lid lie lii lil lip liq lis liu lld lle lli lll llp llq lls llu lpd lpe lpi lpl lpp lps lpu lsd lse lsi lsl lsp lsq lss lsu lud lue lui lul lup lus luu p-p pdd pde pdi pdl pdp pdq pds pdu ped pee pei pel pep pes peu pid pie pii pil pip piq pis piu pld ple pli pll plp pls plu ppd ppe ppi ppl ppp ppq pps ppu pqi pqq pqs ps- psd pse psi psl psp pss psu pud pue pui pul pup pus puu qds qed qee qep qid qie qil qip qis qiu qlp qls qpl qpp qps qqq qqu qsd qsi qsl qsp qu- qud que qui qul qus sdd sde sdi sdl sdp sdq sds sdu se- sed see sei sel sep seq ses seu sid sie sii sil sip siq sis siu sld sle sli sll slp slq sls slu spd spe spi spl spp spq sps spu sqd sqi sql sqq sqs ss- ssd sse ssi ssl ssp ssq sss ssu sud sue sui sul sup suq sus suu udd ude udi udl udp uds udu ued uee uei uel uep ues uid uie uii uil uip uiq uis uiu uld ule uli ull ulp uls ulu up- upd upe upi upp ups upu usd use usi usl usp uss usu uue uus uuu