-er -ic a-a a-b a-c a-i a-t aaa aab aac aae aai aak aam aan aar aat aau ab- aba abb abc abe abi abk abm abn abr abt abu ac- aca acb acc ace aci ack acm acn acr act acu aea aeb aec aee aei aek aem aen aer aet aeu ai- aia aib aic aie aii aik aim ain air ait aiu aka akb akc ake aki akk akm akn akr aku ama amb amc ame ami amk amm amn amr amt amu an- ana anb anc ane ani ank anm ann anr ant anu ar- ara arb arc are ari ark arm arn arr art aru at- ata atb atc ate ati atm atn atr att atu au- aua aub auc aue aui auk aum aun aur aut b-u baa bab bac bae bai bak bam ban bar bat bau bba bbb bbc bbe bbi bbk bbm bbn bbr bbt bbu bca bcb bcc bce bci bck bcm bcn bcr bct bcu be- bea beb bec bee bei bek bem ben ber bet beu bi- bia bib bic bie bii bik bim bin bir bit biu bka bkb bkc bke bkk bkm bkn bkr bkt bma bmb bmc bme bmi bmk bmm bmn bmr bmt bmu bna bnb bnc bne bni bnk bnn bnr bnt bnu bra brb bre bri brk brm brn brr brt bru bta btb btc bte bti btk btm btn btr btt btu bua bub buc bue bui buk bum bun bur but buu c-- caa cab cac cae cai cak cam can car cat cau cba cbb cbc cbe cbi cbk cbm cbn cbr cbt cbu cca ccb ccc cce cci cck ccm ccn ccr cct ccu ce- cea ceb cec cee cei cek cem cen cer cet ceu ci- cia cib cic cie cii cik cim cin cir cit ciu cka ckb ckc cki ckm ckt cma cmb cmc cme cmi cmk cmm cmn cmr cmt cmu cn- cna cnb cnc cne cni cnm cnn cnr cnt cnu cra crb crc cre cri crk crm crn crr crt cru cta ctb ctc cte cti ctk ctm ctn ctr ctt ctu cua cub cuc cue cui cuk cum cun cur cut cuu eaa eab eac eae eai eak eam ean ear eat eau eba ebb ebc ebe ebi ebk ebm ebn ebr ebt ebu ec- eca ecb ecc ece eci eck ecm ecn ecr ect ecu eea eeb eec eee eek eem een eer eet eia eib eic eie eii eik eim ein eir eit eiu eka ekb ekc eke eki ekr ekt eku em- ema emb emc eme emi emk emm emn emr emt emu en- ena enb enc ene eni enk enm enn enr ent enu era erb erc ere eri erk erm ern err ert eru eta etb etc ete eti etk etm etn etr ett etu eu- eua eub euc eue eui eun eur eut ia- iaa iab iac iae iai iam ian iar iat iau iba ibb ibc ibe ibi ibk ibm ibn ibr ibt ibu ica icb icc ice ici ick icm icn icr ict icu ie- iea iec iee iei iek iem ien ier iet iia iib iic iie iii iim iin iir iit iiu ika ikb ikc ike iki ikk ikr ikt iku im- ima imb imc ime imi imm imn imt imu in- ina inb inc ine ini ink inm inn inr int inu ir- ira irb irc ire iri irk irm irn irr irt iru ita itb itc ite iti itk itm itn itt itu iu- iua iub iuc iue iui ium iur iut k-t ka- kaa kab kac kae kai kak kam kan kar kat kau kba kbb kbc kbe kbi kbk kbm kbn kbr kbu kca kcb kcc kce kci kck kcm kcn kcr kct kcu ke- kea keb kec kee kei kek kem ken ker ket kia kib kic kie kii kik kim kin kir kit kiu kkb kkc kke kki kkk kkm kkn kkr kkt kku kma kmb kmc kme kmi kmk kmm kmt kmu kn- kna knc kne kni knk knm knn knr knt knu kra krc kri krk krn krr krt kru kta ktb ktc kte ktk ktm ktn ktr ktt ktu kub kuc kue kui kuk kum kun kur kut kuu m-r maa mab mac mae mai mak mam man mar mat mau mba mbb mbc mbe mbi mbk mbm mbr mbt mbu mc- mca mcb mcc mce mci mck mcm mcn mcr mct mcu mea meb mec mee mei mek mem men mer met meu mi- mia mib mic mie mii mik mim min mir mit miu mka mkb mkc mke mkk mkm mkn mkr mkt mku mma mmb mmc mme mmi mmk mmm mmn mmr mmt mmu mna mnb mnc mne mni mnk mnm mnn mnr mnt mnu mra mrb mrc mre mri mrk mrm mrn mrr mrt mru mta mtb mtc mte mti mtk mtm mtn mtr mtt mtu mua mub muc mue mui muk mum mun mur mut muu n-i naa nab nac nae nai nak nam nan nar nat nau nba nbb nbc nbe nbi nbk nbm nbn nbr nbt nbu nca ncb ncc nce nci nck ncm ncn ncr nct ncu ne- nea neb nec nee nei nek nem nen ner net neu nia nib nic nie nii nik nim nin nir nit niu nka nkc nke nki nkk nkm nkn nkr nkt nku nma nmb nmc nme nmi nmk nmm nmn nmr nmt nmu nna nnb nnc nne nni nnk nnm nnn nnt nnu nra nrb nrc nre nri nrk nrm nrn nrr nrt nru nta ntb ntc nte nti ntk ntm ntn ntr ntt ntu nua nub nuc nue nui nuk num nun nur nut nuu ra- raa rab rac rae rai rak ram ran rar rat rau rba rbb rbc rbe rbi rbk rbm rbn rbr rbt rbu rca rcb rcc rce rci rcm rcn rcr rct rcu re- rea reb rec ree rei rek