-er -ic -ol b-u bbb bbc bbe bbi bbk bbl bbn bbo bbr bbs bbt bbu bcb bcc bce bci bck bcl bcn bco bcr bcs bct bcu be- beb bec bee bei bek bel ben beo ber bes bet beu bi- bib bic bie bii bik bil bin bio bir bis bit biu bkb bkc bke bkk bkl bkn bko bkr bks bkt blb blc ble bli blk bll bln blo blr bls blt blu bnb bnc bne bni bnk bnl bnn bno bnr bns bnt bnu bob boc boe boi bok bol bon boo bor bos bot bou brb bre bri brk brl brn bro brr brs brt bru bsb bsc bse bsi bsk bsl bsn bso bsr bss bst bsu btb btc bte bti btk btl btn bto btr bts btt btu bub buc bue bui buk bul bun buo bur bus but buu c-- cbb cbc cbe cbi cbk cbl cbn cbo cbr cbs cbt cbu ccb ccc cce cci cck ccl ccn cco ccr ccs cct ccu ce- ceb cec cee cei cek cel cen ceo cer ces cet ceu ci- cib cic cie cii cik cil cin cio cir cis cit ciu ckb ckc cki cko cks ckt cl- clb clc cle cli clk cll cln clo clr cls clt clu cn- cnb cnc cne cni cnl cnn cno cnr cns cnt cnu co- cob coc coe coi cok col con coo cor cos cot cou crb crc cre cri crk crl crn cro crr crs crt cru csb csc cse csi csk csl csn cso csr css cst csu ctb ctc cte cti ctk ctl ctn cto ctr cts ctt ctu cub cuc cue cui cuk cul cun cuo cur cus cut cuu ebb ebc ebe ebi ebk ebl ebn ebo ebr ebs ebt ebu ec- ecb ecc ece eci eck ecl ecn eco ecr ecs ect ecu eeb eec eee eek eel een eeo eer ees eet eib eic eie eii eik eil ein eio eir eis eit eiu ekb ekc eke eki ekl eko ekr eks ekt eku elb elc ele eli elk ell eln elo elr els elt elu en- enb enc ene eni enk enl enn eno enr ens ent enu eo- eob eoc eoe eoi eok eol eon eoo eor eos eot eou erb erc ere eri erk erl ern ero err ers ert eru es- esb esc ese esi esk esl esn eso esr ess est esu etb etc ete eti etk etl etn eto etr ets ett etu eu- eub euc eue eui eul eun eur eus eut ibb ibc ibe ibi ibk ibl ibn ibo ibr ibs ibt ibu icb icc ice ici ick icl icn ico icr ics ict icu ie- iec iee iei iek iel ien ier ies iet iib iic iie iii iil iin iio iir iis iit iiu ikb ikc ike iki ikk ikl iko ikr iks ikt iku il- ilb ilc ile ili ilk ill iln ilo ilr ils ilt ilu in- inb inc ine ini ink inl inn ino inr ins int inu io- iob ioc ioe ioi iol ion ioo ior ios iot iou ir- irb irc ire iri irk irl irn iro irr irs irt iru is- isb isc ise isi isk isl isn iso isr iss ist isu itb itc ite iti itk itl itn ito its itt itu iu- iub iuc iue iui iur ius iut k-t kbb kbc kbe kbi kbk kbl kbn kbo kbr kbs kbu kcb kcc kce kci kck kcl kcn kcr kcs kct kcu ke- keb kec kee kei kek kel ken keo ker kes ket kib kic kie kii kik kil kin kio kir kis kit kiu kkb kkc kke kki kkk kkl kkn kkr kks kkt kku kl- klb klc kli klo klr kls klt klu kn- knc kne kni knk knl knn kno knr knt knu kob koc koe koi kok kol kon koo kor kos kot kou krc kri krk krl krn kro krr krs krt kru ksb ksc kse ksi ksk ksl ksn kso ksr kss kst ksu ktb ktc kte ktk ktl ktn kto ktr kts ktt ktu kub kuc kue kui kuk kul kun kur kus kut kuu lbb lbc lbe lbi lbk lbl lbo lbr lbs lbt lbu lcb lcc lce lci lck lcl lcn lco lcr lcs lct lcu leb lec lee lei lek lel len leo ler les let leu lib lic lie lii lik lil lin lio lir lis lit liu lkb lkl lkr lks lkt llb llc lle lli llk lll lln llo llr lls llt llu lnb lnc lne lni lnk lnl lnn lno lnr lns lnt lnu lob loc loe loi lok lol lon loo lor los lot lou lrb lrc lri lrk lrn lro lrr lrs lrt lru lsb lsc lse lsi lsk lsl lsn lso lsr lss lst lsu ltb ltc lte lti ltk ltl lto ltr lts ltt ltu lub luc lue lui luk lul lun luo lur lus lut luu n-i nbb nbc nbe nbi nbk nbl nbn nbo nbr nbs nbt nbu ncb ncc nce nci nck ncl ncn nco ncr ncs nct ncu ne- neb nec nee nei nek nel nen neo ner nes net neu nib nic nie nii nik nil nin nio nir nis nit niu nkc nke nki nkk nkn nko nkr nks nkt nku nlb nlc nle nli nlk nll nln nlo nlr nls nlt nlu nnb nnc nne nni nnk nnl nnn nno nns nnt nnu no- nob noc noe noi nok nol non noo nor nos not nou nrb nrc nre nri nrk nrl nrn nro nrr nrs nrt nru nsb nsc nse nsi nsk nsl nsn nso nsr nss nst nsu ntb ntc nte nti ntk ntn nto ntr nts ntt ntu nub nuc nue nui nuk nul nun nuo nur nus nut nuu o-i ob- obb obc obe obi obk obl obn obo obr obs obt obu oc- ocb occ oci ock