-er -ic -up a-a a-b a-c a-i aaa aab aac aae aai aak aam aan aap aar aau ab- aba abb abc abe abi abk abm abn abp abr abu ac- aca acb acc ace aci ack acm acn acp acr acu aea aeb aec aee aei aek aem aen aep aer aeu ai- aia aib aic aie aii aik aim ain aip air aiu aka akb akc ake aki akk akm akn akp akr aku ama amb amc ame ami amk amm amn amp amr amu an- ana anb anc ane ani ank anm ann anp anr anu ap- apa apb apc ape api apk apm apn app apr apu ar- ara arb arc are ari ark arm arn arp arr aru au- aua aub auc aue aui auk aum aun aup aur b-p b-u baa bab bac bae bai bak bam ban bap bar bau bba bbb bbc bbe bbi bbk bbm bbn bbp bbr bbu bca bcb bcc bce bci bck bcm bcn bcp bcr bcu be- bea beb bec bee bei bek bem ben bep ber beu bi- bia bib bic bie bii bik bim bin bip bir biu bka bkb bkc bke bkk bkm bkn bkp bkr bma bmb bmc bme bmi bmk bmm bmn bmp bmr bmu bna bnb bnc bne bni bnk bnn bnp bnr bnu bpa bpb bpc bpe bpi bpm bpn bpp bpr bpu bra brb bre bri brk brm brn brp brr bru bua bub buc bue bui buk bum bun bup bur buu c-- caa cab cac cae cai cak cam can cap car cau cba cbb cbc cbe cbi cbk cbm cbn cbp cbr cbu cca ccb ccc cce cci cck ccm ccn ccp ccr ccu ce- cea ceb cec cee cei cek cem cen cep cer ceu ci- cia cib cic cie cii cik cim cin cip cir ciu cka ckb ckc cki ckm cma cmb cmc cme cmi cmk cmm cmn cmp cmr cmu cn- cna cnb cnc cne cni cnm cnn cnp cnr cnu cpa cpb cpc cpe cpi cpk cpm cpn cpp cpr cpu cra crb crc cre cri crk crm crn crp crr cru cua cub cuc cue cui cuk cum cun cup cur cuu eaa eab eac eae eai eak eam ean eap ear eau eba ebb ebc ebe ebi ebk ebm ebn ebp ebr ebu ec- eca ecb ecc ece eci eck ecm ecn ecr ecu eea eeb eec eee eek eem een eep eer eia eib eic eie eii eik eim ein eip eir eiu eka ekb ekc eke eki ekp ekr eku em- ema emb emc eme emi emk emm emn emp emr emu en- ena enb enc ene eni enk enm enn enp enr enu ep- epa epb epc epe epi epm epn epp epr epu era erb erc ere eri erk erm ern erp err eru eu- eua eub euc eue eui eun eup eur ia- iaa iab iac iae iai iam ian iap iar iau iba ibb ibc ibe ibi ibk ibm ibn ibp ibr ibu ica icb icc ice ici ick icm icn icp icr icu ie- iea iec iee iei iek iem ien iep ier iia iib iic iie iii iim iin iip iir iiu ika ikb ikc ike iki ikk ikr iku im- ima imb imc ime imi imm imn imp imu in- ina inb inc ine ini ink inm inn inp inr inu ipa ipb ipc ipe ipi ipm ipn ipp ipr ipu ir- ira irb irc ire iri irk irm irn irp irr iru iu- iua iub iuc iue iui ium iup iur ka- kaa kab kac kae kai kak kam kan kap kar kau kba kbb kbc kbe kbi kbk kbm kbn kbp kbr kbu kca kcb kcc kce kci kck kcm kcn kcp kcr kcu ke- kea keb kec kee kei kek kem ken kep ker kia kib kic kie kii kik kim kin kip kir kiu kkb kkc kke kki kkk kkm kkn kkp kkr kku kma kmb kmc kme kmi kmk kmm kmp kmu kn- kna knc kne kni knk knm knn knp knr knu kpa kpc kpe kpi kpk kpm kpn kpp kpr kpu kra krc kri krk krn krp krr kru kub kuc kue kui kuk kum kun kup kur kuu m-r maa mab mac mae mai mak mam man map mar mau mba mbb mbc mbe mbi mbk mbm mbp mbr mbu mc- mca mcb mcc mce mci mck mcm mcn mcp mcr mcu mea meb mec mee mei mek mem men mep mer meu mi- mia mib mic mie mii mik mim min mip mir miu mka mkb mkc mke mkk mkm mkn mkp mkr mku mma mmb mmc mme mmi mmk mmm mmn mmp mmr mmu mna mnb mnc mne mni mnk mnm mnn mnp mnr mnu mpa mpb mpc mpe mpi mpk mpm mpn mpp mpr mpu mra mrb mrc mre mri mrk mrm mrn mrp mrr mru mua mub muc mue mui muk mum mun mup mur muu n-i naa nab nac nae nai nak nam nan nap nar nau nba nbb nbc nbe nbi nbk nbm nbn nbp nbr nbu nca ncb ncc nce nci nck ncm ncn ncp ncr ncu ne- nea neb nec nee nei nek nem nen nep ner neu nia nib nic nie nii nik nim nin nip nir niu nka nkc nke nki nkk nkm nkn nkp nkr nku nma nmb nmc nme nmi nmk nmm nmn nmp nmr nmu nna nnb nnc nne nni nnk nnm nnn nnp nnu npa npb npc npe npi npm npn npp npr npu nra nrb nrc nre nri nrk nrm nrn nrp nrr nru nua nub nuc nue nui nuk num nun nup nur nuu p-p paa pab pac pae pai pak pam pan pap par pau pba pbb pbc pbe pbi pbk pbm pbn pbp pbr pbu pca pcb pcc pce pci pck pcm pcn pcp pcr pcu pea peb pec pee pei pek pem pen