-al -er -ol -up a-a a-b a-c aaa aab aac aad aae aal aao aap aar aau ab- aba abb abc abd abe abl abo abp abr abu ac- aca acb acc acd ace acl aco acp acr acu ad- ada adb adc add ade adl ado adp adr adu aea aeb aec aed aee ael aeo aep aer aeu al- ala alb alc ald ale all alo alp alr alu aoa aob aoc aod aoe aol aoo aop aor aou ap- apa apb apc apd ape apl apo app apr apu ar- ara arb arc ard are arl aro arp arr aru au- aua aub auc aud aue aul auo aup aur b-p b-u baa bab bac bad bae bal bao bap bar bau bba bbb bbc bbd bbe bbl bbo bbp bbr bbu bca bcb bcc bcd bce bcl bco bcp bcr bcu bda bdb bdc bdd bde bdl bdo bdp bdr bdu be- bea beb bec bed bee bel beo bep ber beu bla blb blc bld ble bll blo blp blr blu boa bob boc bod boe bol boo bop bor bou bpa bpb bpc bpd bpe bpl bpo bpp bpr bpu bra brb brd bre brl bro brp brr bru bua bub buc bud bue bul buo bup bur buu c-- caa cab cac cad cae cal cao cap car cau cba cbb cbc cbd cbe cbl cbo cbp cbr cbu cca ccb ccc ccd cce ccl cco ccp ccr ccu cda cdb cdc cdd cde cdl cdo cdp cdr cdu ce- cea ceb cec ced cee cel ceo cep cer ceu cl- cla clb clc cld cle cll clo clp clr clu co- coa cob coc cod coe col coo cop cor cou cpa cpb cpc cpd cpe cpl cpo cpp cpr cpu cra crb crc crd cre crl cro crp crr cru cua cub cuc cud cue cul cuo cup cur cuu daa dab dac dad dae dal dao dap dar dau dba dbb dbc dbd dbe dbl dbo dbp dbr dbu dca dcb dcc dcd dce dcl dco dcp dcr dcu dda ddb ddc ddd dde ddl ddo ddp ddr ddu de- dea deb dec ded dee del deo dep der deu dl- dla dlb dlc dld dle dll dlo dlp dlr dlu doa dob doc dod doe dol doo dop dor dou dpa dpb dpc dpd dpe dpl dpo dpp dpr dpu dra drb drc drd dre drl dro drp drr dru dua dub duc dud due dul duo dup dur eaa eab eac ead eae eal eao eap ear eau eba ebb ebc ebd ebe ebl ebo ebp ebr ebu ec- eca ecb ecc ecd ece ecl eco ecr ecu ed- eda edb edc edd ede edl edo edp edr edu eea eeb eec eed eee eel eeo eep eer ela elb elc eld ele ell elo elp elr elu eo- eoa eob eoc eod eoe eol eoo eop eor eou ep- epa epb epc epd epe epl epo epp epr epu era erb erc erd ere erl ero erp err eru eu- eua eub euc eud eue eul eup eur l-p la- laa lab lac lad lae lal lao lap lar lau lba lbb lbc lbd lbe lbl lbo lbp lbr lbu lca lcb lcc lcd lce lcl lco lcp lcr lcu lda ldb ldc ldd lde ldl ldo ldp ldr ldu lea leb lec led lee lel leo lep ler leu lla llb llc lld lle lll llo llp llr llu loa lob loc lod loe lol loo lop lor lou lpa lpb lpc lpd lpe lpl lpo lpp lpr lpu lra lrb lrc lrd lro lrp lrr lru lua lub luc lud lue lul luo lup lur luu oaa oab oac oad oae oal oao oap oar oau ob- oba obb obc obd obe obl obo obp obr obu oc- oca ocb occ ocd ocl oco ocp ocr ocu oda odb odc odd ode odl odo odp odr odu oea oeb oec oed oee oel oeo oep oer ola olb olc old ole oll olo olp olu oo- ooa oob ooc ood ool ooo oop oor op- opa opb opc opd ope opl opo opp opr or- ora orb orc ord ore orl oro orp orr oru ou- oua ouc oud oue oul ouo oup our p-p paa pab pac pad pae pal pao pap par pau pba pbb pbc pbd pbe pbl pbo pbp pbr pbu pca pcb pcc pcd pce pcl pco pcp pcr pcu pda pdb pdc pdd pde pdl pdo pdp pdr pdu pea peb pec ped pee pel peo pep per peu pla plb plc pld ple pll plo plp plr plu poa pob poc pod poe pol poo pop por pou ppa ppb ppc ppd ppe ppl ppo ppp ppr ppu pra prb prc prd pre prl pro prp prr pru pua pub puc pud pue pul pup pur puu ra- raa rab rac rad rae ral rao rap rar rau rba rbb rbc rbd rbe rbl rbo rbp rbr rbu rca rcb rcc rcd rce rcl rco rcp rcr rcu rda rdb rdc rdd rde rdl rdo rdp rdr rdu re- rea reb rec red ree rel reo rep rer reu rla rlc rld rle rll rlo rlp rlr rlu roa rob roc rod roe rol roo rop ror rou rpa rpb rpc rpd rpe rpl rpo rpp rpr rpu rra rrb rrc rrd rrl rrp rrr rru rua rub ruc rud rue ruo rup rur ruu ua- uaa uab uac uad uae ual uao uap uar uau uba ubb ubc ube ubl ubo ubp ubr ubu uca ucb ucc ucd uce ucl uco ucp ucr ucu uda udb udc udd ude udl udo udp udr udu uea ueb uec ued uee uel uep uer ula ulb ulc uld ule ull ulo ulp ulr ulu uoa uob uoc uod uoe uol uoo uop uor up- upa upb upc upd upe upo upp upr upu ur- ura urb urc urd ure