-er -ic -up a-a a-b a-c a-i aaa aab aac aae aai aam aao aap aar aau ab- aba abb abc abe abi abm abo abp abr abu ac- aca acb acc ace aci acm aco acp acr acu aea aeb aec aee aei aem aeo aep aer aeu ai- aia aib aic aie aii aim aio aip air aiu ama amb amc ame ami amm amo amp amr amu aoa aob aoc aoe aoi aom aoo aop aor aou ap- apa apb apc ape api apm apo app apr apu ar- ara arb arc are ari arm aro arp arr aru au- aua aub auc aue aui aum auo aup aur b-p b-u baa bab bac bae bai bam bao bap bar bau bba bbb bbc bbe bbi bbm bbo bbp bbr bbu bca bcb bcc bce bci bcm bco bcp bcr bcu be- bea beb bec bee bei bem beo bep ber beu bi- bia bib bic bie bii bim bio bip bir biu bma bmb bmc bme bmi bmm bmo bmp bmr bmu boa bob boc boe boi bom boo bop bor bou bpa bpb bpc bpe bpi bpm bpo bpp bpr bpu bra brb bre bri brm bro brp brr bru bua bub buc bue bui bum buo bup bur buu c-- caa cab cac cae cai cam cao cap car cau cba cbb cbc cbe cbi cbm cbo cbp cbr cbu cca ccb ccc cce cci ccm cco ccp ccr ccu ce- cea ceb cec cee cei cem ceo cep cer ceu ci- cia cib cic cie cii cim cio cip cir ciu cma cmb cmc cme cmi cmm cmo cmp cmr cmu co- coa cob coc coe coi com coo cop cor cou cpa cpb cpc cpe cpi cpm cpo cpp cpr cpu cra crb crc cre cri crm cro crp crr cru cua cub cuc cue cui cum cuo cup cur cuu eaa eab eac eae eai eam eao eap ear eau eba ebb ebc ebe ebi ebm ebo ebp ebr ebu ec- eca ecb ecc ece eci ecm eco ecr ecu eea eeb eec eee eem eeo eep eer eia eib eic eie eii eim eio eip eir eiu em- ema emb emc eme emi emm emo emp emr emu eo- eoa eob eoc eoe eoi eom eoo eop eor eou ep- epa epb epc epe epi epm epo epp epr epu era erb erc ere eri erm ero erp err eru eu- eua eub euc eue eui eup eur ia- iaa iab iac iae iai iam iao iap iar iau iba ibb ibc ibe ibi ibm ibo ibp ibr ibu ica icb icc ice ici icm ico icp icr icu ie- iea iec iee iei iem iep ier iia iib iic iie iii iim iio iip iir iiu im- ima imb imc ime imi imm imo imp imu io- ioa iob ioc ioe ioi iom ioo iop ior iou ipa ipb ipc ipe ipi ipm ipo ipp ipr ipu ir- ira irb irc ire iri irm iro irp irr iru iu- iua iub iuc iue iui ium iup iur m-o m-r maa mab mac mae mai mam mao map mar mau mba mbb mbc mbe mbi mbm mbo mbp mbr mbu mc- mca mcb mcc mce mci mcm mco mcp mcr mcu mea meb mec mee mei mem meo mep mer meu mi- mia mib mic mie mii mim mio mip mir miu mma mmb mmc mme mmi mmm mmo mmp mmr mmu moa mob moc moe moi mom moo mop mor mou mpa mpb mpc mpe mpi mpm mpo mpp mpr mpu mra mrb mrc mre mri mrm mro mrp mrr mru mua mub muc mue mui mum mup mur muu o-i oaa oab oac oae oai oam oao oap oar oau ob- oba obb obc obe obi obm obo obp obr obu oc- oca ocb occ oci ocm oco ocp ocr ocu oea oeb oec oee oei oem oeo oep oer oia oib oic oie oii oim oio oip oir oiu om- oma omb omc ome omi omm omo omp omr omu oo- ooa oob ooc ooi oom ooo oop oor op- opa opb opc ope opi opm opo opp opr or- ora orb orc ore ori orm oro orp orr oru ou- oua ouc oue oui oum ouo oup our p-p paa pab pac pae pai pam pao pap par pau pba pbb pbc pbe pbi pbm pbo pbp pbr pbu pca pcb pcc pce pci pcm pco pcp pcr pcu pea peb pec pee pei pem peo pep per peu pia pib pic pie pii pim pio pip pir piu pma pmb pmc pme pmi pmm pmo pmp pmr pmu poa pob poc poe poi pom poo pop por pou ppa ppb ppc ppe ppi ppm ppo ppp ppr ppu pra prb prc pre pri prm pro prp prr pru pua pub puc pue pui pum pup pur puu ra- raa rab rac rae rai ram rao rap rar rau rba rbb rbc rbe rbi rbm rbo rbp rbr rbu rca rcb rcc rce rci rcm rco rcp rcr rcu re- rea reb rec ree rei rem reo rep rer reu ria rib ric rie rii rim rio rip rir rma rmb rmc rme rmi rmm rmo rmp rmr roa rob roc roe roi rom roo rop ror rou rpa rpb rpc rpe rpi rpm rpo rpp rpr rpu rra rrb rrc rri rrm rrp rrr rru rua rub ruc rue rui rum ruo rup rur ruu ua- uaa uab uac uae uai uam uao uap uar uau uba ubb ubc ube ubi ubo ubp ubr ubu uca ucb ucc uce uci ucm uco ucp ucr ucu uea ueb uec uee uei uem uep uer uia uib uic uie uii uim uio uip uir uiu um- uma umb umc ume umi umm umo ump umr umu uoa uob uoc uoe uom uoo uop uor up- upa upb upc upe upi upm upo upp upr upu ur- ura