-al -ol -up a-a a-b a-c aaa aab aac aad aae aal aao aap aau ab- aba abb abc abd abe abl abo abp abu ac- aca acb acc acd ace acl aco acp acu ad- ada adb adc add ade adl ado adp adu aea aeb aec aed aee ael aeo aep aeu al- ala alb alc ald ale all alo alp alu aoa aob aoc aod aoe aol aoo aop aou ap- apa apb apc apd ape apl apo app apu au- aua aub auc aud aue aul auo aup b-p b-u baa bab bac bad bae bal bao bap bau bba bbb bbc bbd bbe bbl bbo bbp bbu bca bcb bcc bcd bce bcl bco bcp bcu bda bdb bdc bdd bde bdl bdo bdp bdu be- bea beb bec bed bee bel beo bep beu bla blb blc bld ble bll blo blp blu boa bob boc bod boe bol boo bop bou bpa bpb bpc bpd bpe bpl bpo bpp bpu bua bub buc bud bue bul buo bup buu c-- caa cab cac cad cae cal cao cap cau cba cbb cbc cbd cbe cbl cbo cbp cbu cca ccb ccc ccd cce ccl cco ccp ccu cda cdb cdc cdd cde cdl cdo cdp cdu ce- cea ceb cec ced cee cel ceo cep ceu cl- cla clb clc cld cle cll clo clp clu co- coa cob coc cod coe col coo cop cou cpa cpb cpc cpd cpe cpl cpo cpp cpu cua cub cuc cud cue cul cuo cup cuu daa dab dac dad dae dal dao dap dau dba dbb dbc dbd dbe dbl dbo dbp dbu dca dcb dcc dcd dce dcl dco dcp dcu dda ddb ddc ddd dde ddl ddo ddp ddu de- dea deb dec ded dee del deo dep deu dl- dla dlb dlc dld dle dll dlo dlp dlu doa dob doc dod doe dol doo dop dou dpa dpb dpc dpd dpe dpl dpo dpp dpu dua dub duc dud due dul duo dup eaa eab eac ead eae eal eao eap eau eba ebb ebc ebd ebe ebl ebo ebp ebu ec- eca ecb ecc ecd ece ecl eco ecu ed- eda edb edc edd ede edl edo edp edu eea eeb eec eed eee eel eeo eep ela elb elc eld ele ell elo elp elu eo- eoa eob eoc eod eoe eol eoo eop eou ep- epa epb epc epd epe epl epo epp epu eu- eua eub euc eud eue eul eup l-p la- laa lab lac lad lae lal lao lap lau lba lbb lbc lbd lbe lbl lbo lbp lbu lca lcb lcc lcd lce lcl lco lcp lcu lda ldb ldc ldd lde ldl ldo ldp ldu lea leb lec led lee lel leo lep leu lla llb llc lld lle lll llo llp llu loa lob loc lod loe lol loo lop lou lpa lpb lpc lpd lpe lpl lpo lpp lpu lua lub luc lud lue lul luo lup luu oaa oab oac oad oae oal oao oap oau ob- oba obb obc obd obe obl obo obp obu oc- oca ocb occ ocd ocl oco ocp ocu oda odb odc odd ode odl odo odp odu oea oeb oec oed oee oel oeo oep ola olb olc old ole oll olo olp olu oo- ooa oob ooc ood ool ooo oop op- opa opb opc opd ope opl opo opp ou- oua ouc oud oue oul ouo oup p-p paa pab pac pad pae pal pao pap pau pba pbb pbc pbd pbe pbl pbo pbp pbu pca pcb pcc pcd pce pcl pco pcp pcu pda pdb pdc pdd pde pdl pdo pdp pdu pea peb pec ped pee pel peo pep peu pla plb plc pld ple pll plo plp plu poa pob poc pod poe pol poo pop pou ppa ppb ppc ppd ppe ppl ppo ppp ppu pua pub puc pud pue pul pup puu ua- uaa uab uac uad uae ual uao uap uau uba ubb ubc ube ubl ubo ubp ubu uca ucb ucc ucd uce ucl uco ucp ucu uda udb udc udd ude udl udo udp udu uea ueb uec ued uee uel uep ula ulb ulc uld ule ull ulo ulp ulu uoa uob uoc uod uoe uol uoo uop up- upa upb upc upd upe upo upp upu uua uuc uue uuu