-al -ol -up a-a a-b a-c aaa aab aac aad aaf aal aao aap aar aas aau ab- aba abb abc abd abf abl abo abp abr abs abu ac- aca acb acc acd acf acl aco acp acr acs acu ad- ada adb adc add adf adl ado adp adr ads adu af- afa afb afc afd aff afl afo afp afr afs afu al- ala alb alc ald alf all alo alp alr als alu aoa aob aoc aod aof aol aoo aop aor aos aou ap- apa apb apc apd apf apl apo app apr aps apu ar- ara arb arc ard arf arl aro arp arr ars aru as- asa asb asc asd asf asl aso asp asr ass asu au- aua aub auc aud auf aul auo aup aur aus b-p b-u baa bab bac bad baf bal bao bap bar bas bau bba bbb bbc bbd bbf bbl bbo bbp bbr bbs bbu bca bcb bcc bcd bcf bcl bco bcp bcr bcs bcu bda bdb bdc bdd bdf bdl bdo bdp bdr bds bdu bfa bfb bfc bfd bff bfl bfo bfp bfr bfs bfu bla blb blc bld blf bll blo blp blr bls blu boa bob boc bod bof bol boo bop bor bos bou bpa bpb bpc bpd bpf bpl bpo bpp bpr bps bpu bra brb brd brf brl bro brp brr brs bru bsa bsb bsc bsd bsf bsl bso bsp bsr bss bsu bua bub buc bud buf bul buo bup bur bus buu c-- caa cab cac cad caf cal cao cap car cas cau cba cbb cbc cbd cbf cbl cbo cbp cbr cbs cbu cca ccb ccc ccd ccf ccl cco ccp ccr ccs ccu cda cdb cdc cdd cdf cdl cdo cdp cdr cds cdu cfa cfb cfc cfd cff cfl cfo cfp cfr cfs cfu cl- cla clb clc cld clf cll clo clp clr cls clu co- coa cob coc cod cof col coo cop cor cos cou cpa cpb cpc cpd cpf cpl cpo cpp cpr cps cpu cra crb crc crd crf crl cro crp crr crs cru csa csb csc csd csf csl cso csp csr css csu cua cub cuc cud cuf cul cuo cup cur cus cuu daa dab dac dad daf dal dao dap dar das dau dba dbb dbc dbd dbf dbl dbo dbp dbr dbs dbu dca dcb dcc dcd dcf dcl dco dcp dcr dcs dcu dda ddb ddc ddd ddf ddl ddo ddp ddr dds ddu dfa dfb dfc dfd dff dfl dfo dfp dfr dfs dfu dl- dla dlb dlc dld dlf dll dlo dlp dlr dls dlu doa dob doc dod dof dol doo dop dor dos dou dpa dpb dpc dpd dpf dpl dpo dpp dpr dps dpu dra drb drc drd drl dro drp drr drs dru dsa dsb dsc dsd dsf dsl dso dsp dsr dss dsu dua dub duc dud duf dul duo dup dur dus faa fab fac fad faf fal fao fap far fas fau fba fbb fbc fbd fbf fbl fbo fbp fbr fbs fbu fca fcb fcc fcd fcf fcl fco fcp fcr fcs fcu fda fdb fdc fdd fdf fdl fdo fdp fdr fds fdu ffa ffc ffd fff ffl ffo ffp ffr ffs ffu fla flb flc fld flf fll flo flp flr fls flu foa fob foc fof fol foo fop for fos fou fpa fpb fpc fpd fpl fpo fpp fpr fps fpu fra frb frc frd frf frl fro frp frr frs fru fsa fsb fsc fsd fsf fsl fso fsp fsr fss fsu fua fub fud fuf ful fuo fup fur fus fuu l-p la- laa lab lac lad laf lal lao lap lar las lau lba lbb lbc lbd lbf lbl lbo lbp lbr lbs lbu lca lcb lcc lcd lcf lcl lco lcp lcr lcs lcu lda ldb ldc ldd ldf ldl ldo ldp ldr lds ldu lfa lfb lfc lfd lff lfl lfo lfp lfr lfs lfu lla llb llc lld llf lll llo llp llr lls llu loa lob loc lod lof lol loo lop lor los lou lpa lpb lpc lpd lpf lpl lpo lpp lpr lps lpu lra lrb lrc lrd lrf lro lrp lrr lrs lru lsa lsb lsc lsd lsf lsl lso lsp lsr lss lsu lua lub luc lud luf lul luo lup lur lus luu oaa oab oac oad oaf oal oao oap oar oas oau ob- oba obb obc obd obf obl obo obp obr obs obu oc- oca ocb occ ocd ocf ocl oco ocp ocr ocs ocu oda odb odc odd odf odl odo odp odr ods odu of- ofa ofb ofc ofd off ofl ofo ofp ofr ofs ofu ola olb olc old olf oll olo olp ols olu oo- ooa oob ooc ood oof ool ooo oop oor oos op- opa opb opc opd opf opl opo opp opr ops or- ora orb orc ord orf orl oro orp orr ors oru os- osa osb osc osd osf osl oso osp osr oss osu ou- oua ouc oud ouf oul ouo oup our ous p-p paa pab pac pad paf pal pao pap par pas pau pba pbb pbc pbd pbf pbl pbo pbp pbr pbs pbu pca pcb pcc pcd pcf pcl pco pcp pcr pcs pcu pda pdb pdc pdd pdf pdl pdo pdp pdr pds pdu pfa pfb pfc pfd pff pfl pfo pfp pfr pfs pfu pla plb plc pld plf pll plo plp plr pls plu poa pob poc pod pof pol poo pop por pos pou ppa ppb ppc ppd ppf ppl ppo ppp ppr pps ppu pra prb prc prd prf prl pro prp prr prs pru ps- psa psb psc psd psf psl pso psp psr pss psu pua pub puc pud puf pul pup pur pus puu ra- raa rab rac rad raf ral rao rap rar ras rau rba rbb