-al -ol -up a-a a-b a-c aaa aab aac aad aae aal aao aap aas aau ab- aba abb abc abd abe abl abo abp abs abu ac- aca acb acc acd ace acl aco acp acs acu ad- ada adb adc add ade adl ado adp ads adu aea aeb aec aed aee ael aeo aep aes aeu al- ala alb alc ald ale all alo alp als alu aoa aob aoc aod aoe aol aoo aop aos aou ap- apa apb apc apd ape apl apo app aps apu as- asa asb asc asd ase asl aso asp ass asu au- aua aub auc aud aue aul auo aup aus b-p b-u baa bab bac bad bae bal bao bap bas bau bba bbb bbc bbd bbe bbl bbo bbp bbs bbu bca bcb bcc bcd bce bcl bco bcp bcs bcu bda bdb bdc bdd bde bdl bdo bdp bds bdu be- bea beb bec bed bee bel beo bep bes beu bla blb blc bld ble bll blo blp bls blu boa bob boc bod boe bol boo bop bos bou bpa bpb bpc bpd bpe bpl bpo bpp bps bpu bsa bsb bsc bsd bse bsl bso bsp bss bsu bua bub buc bud bue bul buo bup bus buu c-- caa cab cac cad cae cal cao cap cas cau cba cbb cbc cbd cbe cbl cbo cbp cbs cbu cca ccb ccc ccd cce ccl cco ccp ccs ccu cda cdb cdc cdd cde cdl cdo cdp cds cdu ce- cea ceb cec ced cee cel ceo cep ces ceu cl- cla clb clc cld cle cll clo clp cls clu co- coa cob coc cod coe col coo cop cos cou cpa cpb cpc cpd cpe cpl cpo cpp cps cpu csa csb csc csd cse csl cso csp css csu cua cub cuc cud cue cul cuo cup cus cuu daa dab dac dad dae dal dao dap das dau dba dbb dbc dbd dbe dbl dbo dbp dbs dbu dca dcb dcc dcd dce dcl dco dcp dcs dcu dda ddb ddc ddd dde ddl ddo ddp dds ddu de- dea deb dec ded dee del deo dep des deu dl- dla dlb dlc dld dle dll dlo dlp dls dlu doa dob doc dod doe dol doo dop dos dou dpa dpb dpc dpd dpe dpl dpo dpp dps dpu dsa dsb dsc dsd dse dsl dso dsp dss dsu dua dub duc dud due dul duo dup dus eaa eab eac ead eae eal eao eap eas eau eba ebb ebc ebd ebe ebl ebo ebp ebs ebu ec- eca ecb ecc ecd ece ecl eco ecs ecu ed- eda edb edc edd ede edl edo edp eds edu eea eeb eec eed eee eel eeo eep ees ela elb elc eld ele ell elo elp els elu eo- eoa eob eoc eod eoe eol eoo eop eos eou ep- epa epb epc epd epe epl epo epp eps epu es- esa esb esc esd ese esl eso esp ess esu eu- eua eub euc eud eue eul eup eus l-p la- laa lab lac lad lae lal lao lap las lau lba lbb lbc lbd lbe lbl lbo lbp lbs lbu lca lcb lcc lcd lce lcl lco lcp lcs lcu lda ldb ldc ldd lde ldl ldo ldp lds ldu lea leb lec led lee lel leo lep les leu lla llb llc lld lle lll llo llp lls llu loa lob loc lod loe lol loo lop los lou lpa lpb lpc lpd lpe lpl lpo lpp lps lpu lsa lsb lsc lsd lse lsl lso lsp lss lsu lua lub luc lud lue lul luo lup lus luu oaa oab oac oad oae oal oao oap oas oau ob- oba obb obc obd obe obl obo obp obs obu oc- oca ocb occ ocd ocl oco ocp ocs ocu oda odb odc odd ode odl odo odp ods odu oea oeb oec oed oee oel oeo oep oes ola olb olc old ole oll olo olp ols olu oo- ooa oob ooc ood ool ooo oop oos op- opa opb opc opd ope opl opo opp ops os- osa osb osc osd ose osl oso osp oss osu ou- oua ouc oud oue oul ouo oup ous p-p paa pab pac pad pae pal pao pap pas pau pba pbb pbc pbd pbe pbl pbo pbp pbs pbu pca pcb pcc pcd pce pcl pco pcp pcs pcu pda pdb pdc pdd pde pdl pdo pdp pds pdu pea peb pec ped pee pel peo pep pes peu pla plb plc pld ple pll plo plp pls plu poa pob poc pod poe pol poo pop pos pou ppa ppb ppc ppd ppe ppl ppo ppp pps ppu ps- psa psb psc psd pse psl pso psp pss psu pua pub puc pud pue pul pup pus puu saa sab sac sad sae sal sao sap sas sau sba sbb sbc sbd sbe sbl sbo sbp sbs sbu sca scb scc scd sce scl sco scp scs scu sda sdb sdc sdd sde sdl sdo sdp sds sdu se- sea seb sec sed see sel seo sep ses seu sla slb slc sld sle sll slo slp sls slu soa sob soc sod soe sol soo sop sos sou spa spb spc spd spe spl spo spp sps spu ss- ssa ssb ssc ssd sse ssl sso ssp sss ssu sua sub suc sud sue sul suo sup sus suu ua- uaa uab uac uad uae ual uao uap uas uau uba ubb ubc ube ubl ubo ubp ubs ubu uca ucb ucc ucd uce ucl uco ucp ucs ucu uda udb udc udd ude udl udo udp uds udu uea ueb uec ued uee uel uep ues ula ulb ulc uld ule ull ulo ulp uls ulu uoa uob uoc uod uoe uol uoo uop uos up- upa upb upc upd upe upo