-al -ol -up a-a a-b a-c aaa aab aac aad aae aal aan aao aap aau ab- aba abb abc abd abe abl abn abo abp abu ac- aca acb acc acd ace acl acn aco acp acu ad- ada adb adc add ade adl adn ado adp adu aea aeb aec aed aee ael aen aeo aep aeu al- ala alb alc ald ale all aln alo alp alu an- ana anb anc and ane anl ann ano anp anu aoa aob aoc aod aoe aol aon aoo aop aou ap- apa apb apc apd ape apl apn apo app apu au- aua aub auc aud aue aul aun auo aup b-p b-u baa bab bac bad bae bal ban bao bap bau bba bbb bbc bbd bbe bbl bbn bbo bbp bbu bca bcb bcc bcd bce bcl bcn bco bcp bcu bda bdb bdc bdd bde bdl bdo bdp bdu be- bea beb bec bed bee bel ben beo bep beu bla blb blc bld ble bll bln blo blp blu bna bnb bnc bnd bne bnl bnn bno bnp bnu boa bob boc bod boe bol bon boo bop bou bpa bpb bpc bpd bpe bpl bpn bpo bpp bpu bua bub buc bud bue bul bun buo bup buu c-- caa cab cac cad cae cal can cao cap cau cba cbb cbc cbd cbe cbl cbn cbo cbp cbu cca ccb ccc ccd cce ccl ccn cco ccp ccu cda cdb cdc cdd cde cdl cdn cdo cdp cdu ce- cea ceb cec ced cee cel cen ceo cep ceu cl- cla clb clc cld cle cll cln clo clp clu cn- cna cnb cnc cnd cne cnl cnn cno cnp cnu co- coa cob coc cod coe col con coo cop cou cpa cpb cpc cpd cpe cpl cpn cpo cpp cpu cua cub cuc cud cue cul cun cuo cup cuu daa dab dac dad dae dal dan dao dap dau dba dbb dbc dbd dbe dbl dbn dbo dbp dbu dca dcb dcc dcd dce dcl dcn dco dcp dcu dda ddb ddc ddd dde ddl ddn ddo ddp ddu de- dea deb dec ded dee del den deo dep deu dl- dla dlb dlc dld dle dll dlo dlp dlu dna dnb dnc dnd dne dnl dnn dno dnp doa dob doc dod doe dol don doo dop dou dpa dpb dpc dpd dpe dpl dpn dpo dpp dpu dua dub duc dud due dul dun duo dup eaa eab eac ead eae eal ean eao eap eau eba ebb ebc ebd ebe ebl ebn ebo ebp ebu ec- eca ecb ecc ecd ece ecl ecn eco ecu ed- eda edb edc edd ede edl edn edo edp edu eea eeb eec eed eee eel een eeo eep ela elb elc eld ele ell eln elo elp elu en- ena enb enc end ene enl enn eno enp enu eo- eoa eob eoc eod eoe eol eon eoo eop eou ep- epa epb epc epd epe epl epn epo epp epu eu- eua eub euc eud eue eul eun eup l-p la- laa lab lac lad lae lal lan lao lap lau lba lbb lbc lbd lbe lbl lbo lbp lbu lca lcb lcc lcd lce lcl lcn lco lcp lcu lda ldb ldc ldd lde ldl ldn ldo ldp ldu lea leb lec led lee lel len leo lep leu lla llb llc lld lle lll lln llo llp llu lna lnb lnc lnd lne lnl lnn lno lnp lnu loa lob loc lod loe lol lon loo lop lou lpa lpb lpc lpd lpe lpl lpn lpo lpp lpu lua lub luc lud lue lul lun luo lup luu naa nab nac nad nae nal nan nao nap nau nba nbb nbc nbd nbe nbl nbn nbo nbp nbu nca ncb ncc ncd nce ncl ncn nco ncp ncu nda ndb ndc ndd nde ndl ndn ndo ndp ndu ne- nea neb nec ned nee nel nen neo nep neu nla nlb nlc nld nle nll nln nlo nlp nlu nna nnb nnc nne nnl nnn nno nnp nnu no- noa nob noc nod noe nol non noo nop nou npa npb npc npd npe npl npn npo npp npu nua nub nuc nud nue nul nun nuo nup nuu oaa oab oac oad oae oal oan oao oap oau ob- oba obb obc obd obe obl obn obo obp obu oc- oca ocb occ ocd ocl ocn oco ocp ocu oda odb odc odd ode odl odn odo odp odu oea oeb oec oed oee oel oen oeo oep ola olb olc old ole oll oln olo olp olu on- ona onb onc ond one onl onn ono onp onu oo- ooa oob ooc ood ool oon ooo oop op- opa opb opc opd ope opl opn opo opp ou- oua ouc oud oue oul oun ouo oup p-p paa pab pac pad pae pal pan pao pap pau pba pbb pbc pbd pbe pbl pbn pbo pbp pbu pca pcb pcc pcd pce pcl pcn pco pcp pcu pda pdb pdc pdd pde pdl pdn pdo pdp pdu pea peb pec ped pee pel pen peo pep peu pla plb plc pld ple pll pln plo plp plu pn- pna pnb pnc pnd pne pnl pnn pno pnp pnu poa pob poc pod poe pol pon poo pop pou ppa ppb ppc ppd ppe ppl ppn ppo ppp ppu pua pub puc pud pue pul pun pup puu ua- uaa uab uac uad uae ual uan uao uap uau uba ubb ubc ube ubl ubn ubo ubp ubu uca ucb ucc ucd uce ucl ucn uco ucp ucu uda udb udc udd ude udl udn udo udp udu uea ueb uec ued uee uel uen uep ula ulb ulc uld ule ull uln ulo ulp ulu un- una unb unc und une unl unn uno unp unu uoa uob uoc uod uoe uol uon uoo uop