-er -up ddd dde ddi ddn ddp ddr ddt ddu ddx de- ded dee dei den dep der det deu dex di- did die dii din dip dir dit diu dix dnd dne dni dnn dnp dnr dnt dpd dpe dpi dpn dpp dpr dpt dpu drd dre dri drn drp drr drt dru drx dtd dte dti dtn dtp dtr dtt dtu dtx dud due dui dun dup dur dut dux dxd dxi dxn dxp dxr dxt dxx ed- edd ede edi edn edp edr edt edu edx eed eee een eep eer eet eex eid eie eii ein eip eir eit eiu eix en- end ene eni enn enp enr ent enu ep- epd epe epi epn epp epr ept epu epx erd ere eri ern erp err ert eru etd ete eti etn etp etr ett etu etx eu- eud eue eui eun eup eur eut eux ex- exd exe exi exp exr ext exu exx i-d idd ide idi idn idp idr idt idu idx ie- ied iee iei ien iep ier iet iex iid iie iii iin iip iir iit iiu iix in- ind ine ini inn inp inr int inu inx ipd ipe ipi ipn ipp ipr ipt ipu ipx ir- ird ire iri irn irp irr irt iru irx itd ite iti itn itp itt itu itx iu- iud iue iui iup iur iut ixe ixi ixn n-i ndd nde ndi ndn ndp ndr ndt ndu ne- ned nee nei nen nep ner net neu nex nid nie nii nin nip nir nit niu nix nne nni nnn nnp nnt nnu npd npe npi npn npp npr npt npu nrd nre nri nrn nrp nrr nrt nru nrx ntd nte nti ntn ntp ntr ntt ntu ntx nud nue nui nun nup nur nut nuu nux nxd nxt p-p pdd pde pdi pdn pdp pdr pdt pdu pdx ped pee pei pen pep per pet peu pex pid pie pii pin pip pir pit piu pix pn- pnd pne pni pnn pnp pnr pnt pnu pnx ppd ppe ppi ppn ppp ppr ppt ppu ppx prd pre pri prn prp prr prt pru prx pt- ptd pte pti ptn ptp ptr ptt ptu ptx pud pue pui pun pup pur put puu pxe pxr pxt rdd rde rdi rdn rdp rdr rdt rdu rdx re- red ree rei ren rep rer ret reu rex rid rie rii rin rip rir rit rix rnd rni rnn rnp rnr rnt rnu rpd rpe rpi rpn rpp rpr rpt rpu rpx rrd rri rrn rrp rrr rrt rru rtd rte rti rtn rtp rtr rtt rtu rtx rud rue rui run rup rur rut ruu rux rxp rxr t-x tdd tde tdi tdn tdp tdr tdt tdu tdx te- ted tee tei ten tep ter tet teu tex tid tie tii tin tip tir tit tiu tix tnd tne tni tnn tnp tnr tnt tnx tpd tpe tpi tpn tpp tpr tpt tpu tpx trd tre tri trn trp trr trt tru trx ttd tte tti ttn ttp ttr ttt ttu ttx tud tue tui tun tup tur tut tuu tux txe txi txn txt txu udd ude udi udn udp udr udt udu udx ued uee uei uen uep uer uet uid uie uii uin uip uir uit uiu un- und une uni unn unp unr unt unu unx up- upd upe upi upn upp upr upt upu upx ur- urd ure uri urn urp urr urt uru urx utd ute uti utn utp utr utt utu utx uue uun uur uut uuu uxr uxt uxu xde xdi xdr xdt xed xee xen xep xer xet xeu xex xie xii xin xit xiu xix xnu xpd xpe xpn xpp xpt xrd xrt xrx xti xtp xtr xtx xue xui xun xup xxi xxp xxx