-er -ic a-a a-b a-c a-i a-t aaa aab aac aae aai aak aan aao aar aas aat aau ab- aba abb abc abe abi abk abn abo abr abs abt abu ac- aca acb acc ace aci ack acn aco acr acs act acu aea aeb aec aee aei aek aen aeo aer aes aet aeu ai- aia aib aic aie aii aik ain aio air ais ait aiu aka akb akc ake aki akk akn ako akr aks aku an- ana anb anc ane ani ank ann ano anr ans ant anu aoa aob aoc aoe aoi aok aon aoo aor aos aot aou ar- ara arb arc are ari ark arn aro arr ars art aru as- asa asb asc ase asi ask asn aso asr ass ast asu at- ata atb atc ate ati atn ato atr ats att atu au- aua aub auc aue aui auk aun auo aur aus aut b-u baa bab bac bae bai bak ban bao bar bas bat bau bba bbb bbc bbe bbi bbk bbn bbo bbr bbs bbt bbu bca bcb bcc bce bci bck bcn bco bcr bcs bct bcu be- bea beb bec bee bei bek ben beo ber bes bet beu bi- bia bib bic bie bii bik bin bio bir bis bit biu bka bkb bkc bke bkk bkn bko bkr bks bkt bna bnb bnc bne bni bnk bnn bno bnr bns bnt bnu boa bob boc boe boi bok bon boo bor bos bot bou bra brb bre bri brk brn bro brr brs brt bru bsa bsb bsc bse bsi bsk bsn bso bsr bss bst bsu bta btb btc bte bti btk btn bto btr bts btt btu bua bub buc bue bui buk bun buo bur bus but buu c-- caa cab cac cae cai cak can cao car cas cat cau cba cbb cbc cbe cbi cbk cbn cbo cbr cbs cbt cbu cca ccb ccc cce cci cck ccn cco ccr ccs cct ccu ce- cea ceb cec cee cei cek cen ceo cer ces cet ceu ci- cia cib cic cie cii cik cin cio cir cis cit ciu cka ckb ckc cki cko cks ckt cn- cna cnb cnc cne cni cnn cno cnr cns cnt cnu co- coa cob coc coe coi cok con coo cor cos cot cou cra crb crc cre cri crk crn cro crr crs crt cru csa csb csc cse csi csk csn cso csr css cst csu cta ctb ctc cte cti ctk ctn cto ctr cts ctt ctu cua cub cuc cue cui cuk cun cuo cur cus cut cuu eaa eab eac eae eai eak ean eao ear eas eat eau eba ebb ebc ebe ebi ebk ebn ebo ebr ebs ebt ebu ec- eca ecb ecc ece eci eck ecn eco ecr ecs ect ecu eea eeb eec eee eek een eeo eer ees eet eia eib eic eie eii eik ein eio eir eis eit eiu eka ekb ekc eke eki eko ekr eks ekt eku en- ena enb enc ene eni enk enn eno enr ens ent enu eo- eoa eob eoc eoe eoi eok eon eoo eor eos eot eou era erb erc ere eri erk ern ero err ers ert eru es- esa esb esc ese esi esk esn eso esr ess est esu eta etb etc ete eti etk etn eto etr ets ett etu eu- eua eub euc eue eui eun eur eus eut ia- iaa iab iac iae iai ian iao iar ias iat iau iba ibb ibc ibe ibi ibk ibn ibo ibr ibs ibt ibu ica icb icc ice ici ick icn ico icr ics ict icu ie- iea iec iee iei iek ien ier ies iet iia iib iic iie iii iin iio iir iis iit iiu ika ikb ikc ike iki ikk iko ikr iks ikt iku in- ina inb inc ine ini ink inn ino inr ins int inu io- ioa iob ioc ioe ioi ion ioo ior ios iot iou ir- ira irb irc ire iri irk irn iro irr irs irt iru is- isa isb isc ise isi isk isn iso isr iss ist isu ita itb itc ite iti itk itn ito its itt itu iu- iua iub iuc iue iui iur ius iut k-t ka- kaa kab kac kae kai kak kan kao kar kas kat kau kba kbb kbc kbe kbi kbk kbn kbo kbr kbs kbu kca kcb kcc kce kci kck kcn kcr kcs kct kcu ke- kea keb kec kee kei kek ken keo ker kes ket kia kib kic kie kii kik kin kio kir kis kit kiu kkb kkc kke kki kkk kkn kkr kks kkt kku kn- kna knc kne kni knk knn kno knr knt knu koa kob koc koe koi kok kon koo kor kos kot kou kra krc kri krk krn kro krr krs krt kru ksa ksb ksc kse ksi ksk ksn kso ksr kss kst ksu kta ktb ktc kte ktk ktn kto ktr kts ktt ktu kub kuc kue kui kuk kun kur kus kut kuu n-i naa nab nac nae nai nak nan nao nar nas nat nau nba nbb nbc nbe nbi nbk nbn nbo nbr nbs nbt nbu nca ncb ncc nce nci nck ncn nco ncr ncs nct ncu ne- nea neb nec nee nei nek nen neo ner nes net neu nia nib nic nie nii nik nin nio nir nis nit niu nka nkc nke nki nkk nkn nko nkr nks nkt nku nna nnb nnc nne nni nnk nnn nno nns nnt nnu no- noa nob noc noe noi nok non noo nor nos not nou nra nrb nrc nre nri nrk nrn nro nrr nrs nrt nru nsa nsb nsc nse nsi nsk nsn nso nsr nss nst nsu nta ntb ntc nte nti ntk ntn nto ntr nts ntt ntu nua nub nuc nue nui nuk nun