-er -ey -ic b-u bbb bbc bbe bbi bbk bbn bbo bbr bbs bbu bby bcb bcc bce bci bck bcn bco bcr bcs bcu bcy be- beb bec bee bei bek ben beo ber bes beu bey bi- bib bic bie bii bik bin bio bir bis biu biy bkb bkc bke bkk bkn bko bkr bks bnb bnc bne bni bnk bnn bno bnr bns bnu bob boc boe boi bok bon boo bor bos bou boy brb bre bri brk brn bro brr brs bru bry bsb bsc bse bsi bsk bsn bso bsr bss bsu bsy bub buc bue bui buk bun buo bur bus buu buy by- byc bye byi byk byn byo byr bys byu c-- cbb cbc cbe cbi cbk cbn cbo cbr cbs cbu cby ccb ccc cce cci cck ccn cco ccr ccs ccu ce- ceb cec cee cei cek cen ceo cer ces ceu cey ci- cib cic cie cii cik cin cio cir cis ciu ckb ckc cki cko cks cky cn- cnb cnc cne cni cnn cno cnr cns cnu cny co- cob coc coe coi cok con coo cor cos cou coy crb crc cre cri crk crn cro crr crs cru cry csb csc cse csi csk csn cso csr css csu csy cub cuc cue cui cuk cun cuo cur cus cuu cuy cyb cyc cye cyk cyn cyo cyr cys ebb ebc ebe ebi ebk ebn ebo ebr ebs ebu eby ec- ecb ecc ece eci eck ecn eco ecr ecs ecu eeb eec eee eek een eeo eer ees eey eib eic eie eii eik ein eio eir eis eiu ekb ekc eke eki eko ekr eks eku eky en- enb enc ene eni enk enn eno enr ens enu eny eo- eob eoc eoe eoi eok eon eoo eor eos eou erb erc ere eri erk ern ero err ers eru ery es- esb esc ese esi esk esn eso esr ess esu esy eu- eub euc eue eui eun eur eus eyc eye eyn eyo eyr eys ibb ibc ibe ibi ibk ibn ibo ibr ibs ibu iby icb icc ice ici ick icn ico icr ics icu icy ie- iec iee iei iek ien ier ies iey iib iic iie iii iin iio iir iis iiu ikb ikc ike iki ikk iko ikr iks iku in- inb inc ine ini ink inn ino inr ins inu iny io- iob ioc ioe ioi ion ioo ior ios iou ir- irb irc ire iri irk irn iro irr irs iru iry is- isb isc ise isi isk isn iso isr iss isu isy iu- iub iuc iue iui iur ius iyc iye iyo iyr iys iyy kbb kbc kbe kbi kbk kbn kbo kbr kbs kbu kcb kcc kce kci kck kcn kcr kcs kcu ke- keb kec kee kei kek ken keo ker kes key kib kic kie kii kik kin kio kir kis kiu kkb kkc kke kki kkk kkn kkr kks kku kky kn- knc kne kni knk knn kno knr knu kob koc koe koi kok kon koo kor kos kou koy krc kri krk krn kro krr krs kru kry ksb ksc kse ksi ksk ksn kso ksr kss ksu kub kuc kue kui kuk kun kur kus kuu kuy kyc kye kyn kyo kyr kys kyu n-i nbb nbc nbe nbi nbk nbn nbo nbr nbs nbu ncb ncc nce nci nck ncn nco ncr ncs ncu ne- neb nec nee nei nek nen neo ner nes neu ney nib nic nie nii nik nin nio nir nis niu nkc nke nki nkk nkn nko nkr nks nku nky nnb nnc nne nni nnk nnn nno nns nnu no- nob noc noe noi nok non noo nor nos nou noy nrb nrc nre nri nrk nrn nro nrr nrs nru nry nsb nsc nse nsi nsk nsn nso nsr nss nsu nsy nub nuc nue nui nuk nun nuo nur nus nuu nuy nyc nye nyk nyn nyo nys nyu nyy o-i ob- obb obc obe obi obk obn obo obr obs obu oby oc- ocb occ oci ock ocn oco ocr ocs ocu oeb oec oee oei oen oeo oer oes oey oib oic oie oii oik oin oio oir ois oiu okb okc oke oki okk oko okr oks oku on- onb onc one oni onk onn ono onr ons onu ony oo- oob ooc ooi ook oon ooo oor oos or- orb orc ore ori ork orn oro orr ors oru ory os- osb osc ose osi osk osn oso osr oss osu ou- ouc oue oui ouk oun ouo our ous oye oyi oyo oys rbb rbc rbe rbi rbk rbn rbo rbr rbs rbu rcb rcc rce rci rcn rco rcr rcs rcu re- reb rec ree rei rek ren reo rer res reu rey rib ric rie rii rik rin rio rir ris riy rkb rkc rke rkk rko rks rku rky rnb rnc rni rnn rno rnr rns rnu rny rob roc roe roi rok ron roo ror ros rou roy rrb rrc rri rrk rrn rrr rrs rru rsb rsc rse rsi rsk rsn rso rsr rss rsu rub ruc rue rui ruk run ruo rur rus ruu ruy ry- ryc rye ryk ryn ryo ryr rys ryu ryy sbb sbc sbe sbi sbk sbn sbo sbr sbs sbu sby scb scc sce sci sck scn sco scr scs scu se- seb sec see sei sek sen seo ser ses seu sey sib sic sie sii sik sin sio sir sis siu sk- skb skc ske ski skk sko skr sks sku sky snb snc sne sni snk snn sno snr sns snu sny sob soc soe soi sok son soo sor sos sou soy sr- srb src sre sri srk srn sro srr srs sry ss- ssb ssc sse ssi ssk ssn sso ssr sss ssu sub suc sue sui suk sun suo sur sus suu suy