-er -ol -up ddd dde ddi ddl ddo ddp ddr dds ddu de- ded dee dei del deo dep der des deu di- did die dii dil dio dip dir dis diu dl- dld dle dli dll dlo dlp dlr dls dlu dod doe doi dol doo dop dor dos dou dpd dpe dpi dpl dpo dpp dpr dps dpu drd dre dri drl dro drp drr drs dru dsd dse dsi dsl dso dsp dsr dss dsu dud due dui dul duo dup dur dus ed- edd ede edi edl edo edp edr eds edu eed eee eel eeo eep eer ees eid eie eii eil eio eip eir eis eiu eld ele eli ell elo elp elr els elu eo- eod eoe eoi eol eoo eop eor eos eou ep- epd epe epi epl epo epp epr eps epu erd ere eri erl ero erp err ers eru es- esd ese esi esl eso esp esr ess esu eu- eud eue eui eul eup eur eus i-d idd ide idi idl ido idp idr ids idu ie- ied iee iei iel iep ier ies iid iie iii iil iio iip iir iis iiu il- ild ile ili ill ilo ilp ilr ils ilu io- iod ioe ioi iol ioo iop ior ios iou ipd ipe ipi ipl ipo ipp ipr ips ipu ir- ird ire iri irl iro irp irr irs iru is- isd ise isi isl iso isp isr iss isu iu- iud iue iui iup iur ius l-p ldd lde ldi ldl ldo ldp ldr lds ldu led lee lei lel leo lep ler les leu lid lie lii lil lio lip lir lis liu lld lle lli lll llo llp llr lls llu lod loe loi lol loo lop lor los lou lpd lpe lpi lpl lpo lpp lpr lps lpu lrd lri lro lrp lrr lrs lru lsd lse lsi lsl lso lsp lsr lss lsu lud lue lui lul luo lup lur lus luu o-i odd ode odi odl odo odp odr ods odu oed oee oei oel oeo oep oer oes oid oie oii oil oio oip oir ois oiu old ole oli oll olo olp ols olu oo- ood ooi ool ooo oop oor oos op- opd ope opi opl opo opp opr ops or- ord ore ori orl oro orp orr ors oru os- osd ose osi osl oso osp osr oss osu ou- oud oue oui oul ouo oup our ous p-p pdd pde pdi pdl pdo pdp pdr pds pdu ped pee pei pel peo pep per pes peu pid pie pii pil pio pip pir pis piu pld ple pli pll plo plp plr pls plu pod poe poi pol poo pop por pos pou ppd ppe ppi ppl ppo ppp ppr pps ppu prd pre pri prl pro prp prr prs pru ps- psd pse psi psl pso psp psr pss psu pud pue pui pul pup pur pus puu rdd rde rdi rdl rdo rdp rdr rds rdu re- red ree rei rel reo rep rer res reu rid rie rii ril rio rip rir ris rld rle rli rll rlo rlp rlr rls rlu rod roe roi rol roo rop ror ros rou rpd rpe rpi rpl rpo rpp rpr rps rpu rrd rri rrl rrp rrr rrs rru rsd rse rsi rsl rso rsp rsr rss rsu rud rue rui ruo rup rur rus ruu sdd sde sdi sdl sdo sdp sdr sds sdu se- sed see sei sel seo sep ser ses seu sid sie sii sil sio sip sir sis siu sld sle sli sll slo slp slr sls slu sod soe soi sol soo sop sor sos sou spd spe spi spl spo spp spr sps spu sr- srd sre sri srl sro srp srr srs ss- ssd sse ssi ssl sso ssp ssr sss ssu sud sue sui sul suo sup sur sus suu udd ude udi udl udo udp udr uds udu ued uee uei uel uep uer ues uid uie uii uil uio uip uir uis uiu uld ule uli ull ulo ulp ulr uls ulu uod uoe uol uoo uop uor uos up- upd upe upi upo upp upr ups upu ur- urd ure uri url uro urp urr urs uru usd use usi usl uso usp usr uss usu uue uur uus uuu