ddd dde ddi ddo ddp dds de- ded dee dei deo dep des dev di- did die dii dio dip dis div dod doe doi doo dop dos dov dpd dpe dpi dpo dpp dps dpv dsd dse dsi dso dsp dss dsv dvd dve dvi dvp dvs ed- edd ede edi edo edp eds eed eee eeo eep ees eev eid eie eii eio eip eis eiv eo- eod eoe eoi eoo eop eos ep- epd epe epi epo epp eps es- esd ese esi eso esp ess esv evd eve evi evo evp evs evv i-d i-v idd ide idi ido idp ids idv ie- ied iee iei iep ies iev iid iie iii iio iip iis io- iod ioe ioi ioo iop ios iov ipd ipe ipi ipo ipp ips ipv is- isd ise isi iso isp iss isv ivd ive ivi ivo ivp ivs ivv o-i odd ode odi odo odp ods odv oed oee oei oeo oep oes oid oie oii oio oip ois oiv oo- ood ooi ooo oop oos oov op- opd ope opi opo opp ops opv os- osd ose osi oso osp oss osv ov- ovd ove ovi ovo ovp ovs ovv p-p pdd pde pdi pdo pdp pds pdv ped pee pei peo pep pes pev pid pie pii pio pip pis piv pod poe poi poo pop pos pov ppd ppe ppi ppo ppp pps ppv ps- psd pse psi pso psp pss psv pvd pve pvi pvo pvp pvs pvv sdd sde sdi sdo sdp sds sdv se- sed see sei seo sep ses sev sid sie sii sio sip sis siv sod soe soi soo sop sos sov spd spe spi spo spp sps spv ss- ssd sse ssi sso ssp sss ssv svd sve svi svo svp svs svv v-e vdd vde vdi vdo vdp vds vdv ved vee vei veo vep ves vi- vid vie vii vio vip vis viv vod voe voi voo vop vos vov vpd vpe vpi vpo vpp vps vsd vse vsi vso vsp vss vsv vvi vvo vvs vvv