-er -ol -up ddd dde ddl ddo ddp ddr dds ddt ddu de- ded dee del deo dep der des det deu dl- dld dle dll dlo dlp dlr dls dlt dlu dod doe dol doo dop dor dos dot dou dpd dpe dpl dpo dpp dpr dps dpt dpu drd dre drl dro drp drr drs drt dru dsd dse dsl dso dsp dsr dss dst dsu dtd dte dtl dto dtp dtr dts dtt dtu dud due dul duo dup dur dus dut ed- edd ede edl edo edp edr eds edt edu eed eee eel eeo eep eer ees eet eld ele ell elo elp elr els elt elu eo- eod eoe eol eoo eop eor eos eot eou ep- epd epe epl epo epp epr eps ept epu erd ere erl ero erp err ers ert eru es- esd ese esl eso esp esr ess est esu etd ete etl eto etp etr ets ett etu eu- eud eue eul eup eur eus eut l-p ldd lde ldl ldo ldp ldr lds ldt ldu led lee lel leo lep ler les let leu lld lle lll llo llp llr lls llt llu lod loe lol loo lop lor los lot lou lpd lpe lpl lpo lpp lpr lps lpt lpu lrd lro lrp lrr lrs lrt lru lsd lse lsl lso lsp lsr lss lst lsu ltd lte ltl lto ltp ltr lts ltt ltu lud lue lul luo lup lur lus lut luu odd ode odl odo odp odr ods odt odu oed oee oel oeo oep oer oes oet old ole oll olo olp ols olt olu oo- ood ool ooo oop oor oos oot op- opd ope opl opo opp opr ops opt or- ord ore orl oro orp orr ors ort oru os- osd ose osl oso osp osr oss ost osu ot- otd ote otl oto otp otr ots ott otu ou- oud oue oul ouo oup our ous out p-p pdd pde pdl pdo pdp pdr pds pdt pdu ped pee pel peo pep per pes pet peu pld ple pll plo plp plr pls plt plu pod poe pol poo pop por pos pot pou ppd ppe ppl ppo ppp ppr pps ppt ppu prd pre prl pro prp prr prs prt pru ps- psd pse psl pso psp psr pss pst psu pt- ptd pte ptl pto ptp ptr pts ptt ptu pud pue pul pup pur pus put puu rdd rde rdl rdo rdp rdr rds rdt rdu re- red ree rel reo rep rer res ret reu rld rle rll rlo rlp rlr rls rlt rlu rod roe rol roo rop ror ros rot rou rpd rpe rpl rpo rpp rpr rps rpt rpu rrd rrl rrp rrr rrs rrt rru rsd rse rsl rso rsp rsr rss rst rsu rtd rte rtl rto rtp rtr rts rtt rtu rud rue ruo rup rur rus rut ruu sdd sde sdl sdo sdp sdr sds sdt sdu se- sed see sel seo sep ser ses set seu sld sle sll slo slp slr sls slt slu sod soe sol soo sop sor sos sot sou spd spe spl spo spp spr sps spt spu sr- srd sre srl sro srp srr srs srt ss- ssd sse ssl sso ssp ssr sss sst ssu std ste stl sto stp str sts stt stu sud sue sul suo sup sur sus sut suu tdd tde tdl tdo tdp tdr tds tdt tdu te- ted tee tel teo tep ter tes tet teu tld tle tll tlo tlp tlr tls tlt tlu to- tod toe tol too top tor tos tot tou tpd tpe tpl tpo tpp tpr tps tpt tpu trd tre trl tro trp trr trs trt tru tsd tse tsl tso tsp tsr tss tst tsu ttd tte ttl tto ttp ttr tts ttt ttu tud tue tul tuo tup tur tus tut tuu udd ude udl udo udp udr uds udt udu ued uee uel uep uer ues uet uld ule ull ulo ulp ulr uls ult ulu uod uoe uol uoo uop uor uos uot up- upd upe upo upp upr ups upt upu ur- urd ure url uro urp urr urs urt uru usd use usl uso usp usr uss ust usu utd ute utl uto utp utr uts utt utu uue uur uus uut uuu