-er -up a-a a-b a-c aaa aab aac aae aaf aam aao aap aar aas aau ab- aba abb abc abe abf abm abo abp abr abs abu ac- aca acb acc ace acf acm aco acp acr acs acu aea aeb aec aee aef aem aeo aep aer aes aeu af- afa afb afc afe aff afm afo afp afr afs afu ama amb amc ame amf amm amo amp amr ams amu aoa aob aoc aoe aof aom aoo aop aor aos aou ap- apa apb apc ape apf apm apo app apr aps apu ar- ara arb arc are arf arm aro arp arr ars aru as- asa asb asc ase asf asm aso asp asr ass asu au- aua aub auc aue auf aum auo aup aur aus b-p b-u baa bab bac bae baf bam bao bap bar bas bau bba bbb bbc bbe bbf bbm bbo bbp bbr bbs bbu bca bcb bcc bce bcf bcm bco bcp bcr bcs bcu be- bea beb bec bee bef bem beo bep ber bes beu bfa bfb bfc bfe bff bfm bfo bfp bfr bfs bfu bma bmb bmc bme bmf bmm bmo bmp bmr bms bmu boa bob boc boe bof bom boo bop bor bos bou bpa bpb bpc bpe bpf bpm bpo bpp bpr bps bpu bra brb bre brf brm bro brp brr brs bru bsa bsb bsc bse bsf bsm bso bsp bsr bss bsu bua bub buc bue buf bum buo bup bur bus buu c-- caa cab cac cae caf cam cao cap car cas cau cba cbb cbc cbe cbf cbm cbo cbp cbr cbs cbu cca ccb ccc cce ccf ccm cco ccp ccr ccs ccu ce- cea ceb cec cee cef cem ceo cep cer ces ceu cfa cfb cfc cfe cff cfm cfo cfp cfr cfs cfu cma cmb cmc cme cmf cmm cmo cmp cmr cms cmu co- coa cob coc coe cof com coo cop cor cos cou cpa cpb cpc cpe cpf cpm cpo cpp cpr cps cpu cra crb crc cre crf crm cro crp crr crs cru csa csb csc cse csf csm cso csp csr css csu cua cub cuc cue cuf cum cuo cup cur cus cuu eaa eab eac eae eaf eam eao eap ear eas eau eba ebb ebc ebe ebf ebm ebo ebp ebr ebs ebu ec- eca ecb ecc ece ecf ecm eco ecr ecs ecu eea eeb eec eee eef eem eeo eep eer ees ef- efa efb efc efe eff efm efo efp efr efs em- ema emb emc eme emf emm emo emp emr ems emu eo- eoa eob eoc eoe eof eom eoo eop eor eos eou ep- epa epb epc epe epf epm epo epp epr eps epu era erb erc ere erf erm ero erp err ers eru es- esa esb esc ese esf esm eso esp esr ess esu eu- eua eub euc eue euf eup eur eus faa fab fac fae faf fam fao fap far fas fau fba fbb fbc fbe fbf fbm fbo fbp fbr fbs fbu fca fcb fcc fce fcf fcm fco fcp fcr fcs fcu fea feb fec fee fef fem feo fep fer fes feu ffa ffc ffe fff ffm ffo ffp ffr ffs ffu fma fmb fmc fme fmf fmm fmo fmp fmr fms fmu foa fob foc foe fof fom foo fop for fos fou fpa fpb fpc fpe fpm fpo fpp fpr fps fpu fra frb frc fre frf frm fro frp frr frs fru fsa fsb fsc fse fsf fsm fso fsp fsr fss fsu fua fub fue fuf fum fuo fup fur fus fuu m-f m-o m-r maa mab mac mae maf mam mao map mar mas mau mba mbb mbc mbe mbf mbm mbo mbp mbr mbs mbu mc- mca mcb mcc mce mcf mcm mco mcp mcr mcs mcu mea meb mec mee mef mem meo mep mer mes meu mfa mfb mfc mfe mff mfm mfo mfp mfr mfs mfu mma mmb mmc mme mmf mmm mmo mmp mmr mms mmu moa mob moc moe mof mom moo mop mor mos mou mpa mpb mpc mpe mpf mpm mpo mpp mpr mps mpu mra mrb mrc mre mrf mrm mro mrp mrr mrs mru msa msb msc mse msf msm mso msp msr mss msu mua mub muc mue muf mum mup mur mus muu oaa oab oac oae oaf oam oao oap oar oas oau ob- oba obb obc obe obf obm obo obp obr obs obu oc- oca ocb occ ocf ocm oco ocp ocr ocs ocu oea oeb oec oee oef oem oeo oep oer oes of- ofa ofb ofc ofe off ofm ofo ofp ofr ofs ofu om- oma omb omc ome omf omm omo omp omr oms omu oo- ooa oob ooc oof oom ooo oop oor oos op- opa opb opc ope opf opm opo opp opr ops or- ora orb orc ore orf orm oro orp orr ors oru os- osa osb osc ose osf osm oso osp osr oss osu ou- oua ouc oue ouf oum ouo oup our ous p-p paa pab pac pae paf pam pao pap par pas pau pba pbb pbc pbe pbf pbm pbo pbp pbr pbs pbu pca pcb pcc pce pcf pcm pco pcp pcr pcs pcu pea peb pec pee pef pem peo pep per pes peu pfa pfb pfc pfe pff pfm pfo pfp pfr pfs pfu pma pmb pmc pme pmf pmm pmo pmp pmr pms pmu poa pob poc poe pof pom poo pop por pos pou ppa ppb ppc ppe ppf ppm ppo ppp ppr pps ppu pra prb prc pre prf prm pro prp prr prs pru ps- psa psb psc pse psf psm pso psp psr pss psu pua pub puc pue puf pum pup pur pus puu ra- raa rab rac rae raf ram rao rap rar ras rau