-er -ol -up ddd dde ddk ddl ddo ddp ddr ddu de- ded dee dek del deo dep der deu dke dkk dkl dko dkp dkr dku dl- dld dle dlk dll dlo dlp dlr dlu dod doe dok dol doo dop dor dou dpd dpe dpk dpl dpo dpp dpr dpu drd dre drk drl dro drp drr dru dud due duk dul duo dup dur ed- edd ede edk edl edo edp edr edu eed eee eek eel eeo eep eer ekd eke ekl eko ekp ekr eku eld ele elk ell elo elp elr elu eo- eod eoe eok eol eoo eop eor eou ep- epd epe epl epo epp epr epu erd ere erk erl ero erp err eru eu- eud eue eul eup eur kde kdk kdl kdo kdp kdr kdu ke- ked kee kek kel keo kep ker kke kkk kkl kkp kkr kku kl- kld klo klr klu kod koe kok kol koo kop kor kou kpd kpe kpk kpl kpo kpp kpr kpu krd krk krl kro krp krr kru kud kue kuk kul kup kur kuu l-p ldd lde ldk ldl ldo ldp ldr ldu led lee lek lel leo lep ler leu lkl lkp lkr lld lle llk lll llo llp llr llu lod loe lok lol loo lop lor lou lpd lpe lpk lpl lpo lpp lpr lpu lrd lrk lro lrp lrr lru lud lue luk lul luo lup lur luu odd ode odl odo odp odr odu oed oee oel oeo oep oer okd oke okk okl oko okp okr oku old ole olk oll olo olp olu oo- ood ook ool ooo oop oor op- opd ope opk opl opo opp opr or- ord ore ork orl oro orp orr oru ou- oud oue ouk oul ouo oup our p-p pdd pde pdk pdl pdo pdp pdr pdu ped pee pek pel peo pep per peu pkd pke pkl pko pkp pkr pku pld ple plk pll plo plp plr plu pod poe pok pol poo pop por pou ppd ppe ppk ppl ppo ppp ppr ppu prd pre prk prl pro prp prr pru pud pue puk pul pup pur puu rdd rde rdl rdo rdp rdr rdu re- red ree rek rel reo rep rer reu rke rkk rko rkp rku rld rle rll rlo rlp rlr rlu rod roe rok rol roo rop ror rou rpd rpe rpk rpl rpo rpp rpr rpu rrd rrk rrl rrp rrr rru rud rue ruk ruo rup rur ruu udd ude udk udl udo udp udr udu ued uee uel uep uer uke ukk ukl ukp ukr uku uld ule ulk ull ulo ulp ulr ulu uod uoe uok uol uoo uop uor up- upd upe upk upo upp upr upu ur- urd ure urk url uro urp urr uru uue uur uuu