-er -ic -th b-u bbb bbc bbe bbh bbi bbk bbn bbo bbr bbt bbu bcb bcc bce bch bci bck bcn bco bcr bct bcu be- beb bec bee beh bei bek ben beo ber bet beu bhb bhc bhe bhh bhi bhk bho bhr bht bhu bi- bib bic bie bih bii bik bin bio bir bit biu bkb bkc bke bkk bkn bko bkr bkt bnb bnc bne bni bnk bnn bno bnr bnt bnu bob boc boe boh boi bok bon boo bor bot bou brb bre brh bri brk brn bro brr brt bru btb btc bte bth bti btk btn bto btr btt btu bub buc bue buh bui buk bun buo bur but buu c-- cbb cbc cbe cbh cbi cbk cbn cbo cbr cbt cbu ccb ccc cce cch cci cck ccn cco ccr cct ccu ce- ceb cec cee ceh cei cek cen ceo cer cet ceu ch- chb chc che chh chi chk chn cho chr cht chu ci- cib cic cie cih cii cik cin cio cir cit ciu ckb ckc ckh cki cko ckt cn- cnb cnc cne cnh cni cnn cno cnr cnt cnu co- cob coc coe coh coi cok con coo cor cot cou crb crc cre crh cri crk crn cro crr crt cru ctb ctc cte cth cti ctk ctn cto ctr ctt ctu cub cuc cue cuh cui cuk cun cuo cur cut cuu ebb ebc ebe ebh ebi ebk ebn ebo ebr ebt ebu ec- ecb ecc ece ech eci eck ecn eco ecr ect ecu eeb eec eee eek een eeo eer eet ehb ehc ehe ehh ehi ehn eho ehr eht ehu eib eic eie eii eik ein eio eir eit eiu ekb ekc eke ekh eki eko ekr ekt eku en- enb enc ene enh eni enk enn eno enr ent enu eo- eob eoc eoe eoh eoi eok eon eoo eor eot eou erb erc ere erh eri erk ern ero err ert eru etb etc ete eth eti etk etn eto etr ett etu eu- eub euc eue eui eun eur eut h-i hbb hbc hbe hbh hbi hbk hbn hbo hbr hbt hbu hcb hcc hce hch hci hck hcn hco hcr hct he- heb hec hee heh hei hek hen heo her het heu hhb hhc hhe hhh hhi hhk hhn hho hhr hht hhu hib hic hie hih hii hik hin hio hir hit hiu hkb hkh hki hkk hkn hko hkr hkt hku hnb hnc hne hnh hnk hnn hno hnt hnu hob hoc hoe hoh hoi hok hon hoo hor hot hou hr- hrb hrc hre hrh hri hrk hrn hro hrr hrt hru htb htc hte hth hti htk htn hto htr htt hub huc hue huh hui huk hun huo hur hut huu ibb ibc ibe ibh ibi ibk ibn ibo ibr ibt ibu icb icc ice ich ici ick icn ico icr ict icu ie- iec iee iei iek ien ier iet ihb ihc ihe ihh ihi ihk ihn iho ihr iht ihu iib iic iie iih iii iin iio iir iit iiu ikb ikc ike iki ikk iko ikr ikt iku in- inb inc ine inh ini ink inn ino inr int inu io- iob ioc ioe ioh ioi ion ioo ior iot iou ir- irb irc ire iri irk irn iro irr irt iru itb itc ite ith iti itk itn ito itt itu iu- iub iuc iue iui iur iut k-t kbb kbc kbe kbh kbi kbk kbn kbo kbr kbu kcb kcc kce kch kci kck kcn kcr kct kcu ke- keb kec kee keh kei kek ken keo ker ket khe khh khi khk khn kho khr khu kib kic kie kih kii kik kin kio kir kit kiu kkb kkc kke kkh kki kkk kkn kkr kkt kku kn- knc kne kni knk knn kno knr knt knu kob koc koe koh koi kok kon koo kor kot kou krc kri krk krn kro krr krt kru ktb ktc kte kth ktk ktn kto ktr ktt ktu kub kuc kue kuh kui kuk kun kur kut kuu n-i nbb nbc nbe nbi nbk nbn nbo nbr nbt nbu ncb ncc nce nch nci nck ncn nco ncr nct ncu ne- neb nec nee neh nei nek nen neo ner net neu nhb nhc nhe nhh nhi nhk nhn nhr nht nhu nib nic nie nih nii nik nin nio nir nit niu nkc nke nki nkk nkn nko nkr nkt nku nnb nnc nne nnh nni nnk nnn nno nnt nnu no- nob noc noe noh noi nok non noo nor not nou nrb nrc nre nri nrk nrn nro nrr nrt nru ntb ntc nte nth nti ntk ntn nto ntr ntt ntu nub nuc nue nuh nui nuk nun nuo nur nut nuu o-i ob- obb obc obe obh obi obk obn obo obr obt obu oc- ocb occ och oci ock ocn oco ocr oct ocu oeb oec oee oeh oei oen oeo oer oet ohc ohe ohh ohi ohn oho ohr oht ohu oib oic oie oii oik oin oio oir oit oiu okb okc oke oki okk oko okr oku on- onb onc one onh oni onk onn ono onr ont onu oo- oob ooc ooh ooi ook oon ooo oor oot or- orb orc ore orh ori ork orn oro orr ort oru ot- otb otc ote oth oti otk otn oto otr ott otu ou- ouc oue ouh oui ouk oun ouo our out rbb rbc rbe rbh rbi rbk rbn rbo rbr rbt rbu rcb rcc rce rch rci rcn rco rcr rct rcu re- reb rec ree reh rei rek ren reo rer ret reu rh- rhb rhc rhe rhh rhi rhn rho rhr rht rhu rib ric rie rih rii rik rin rio rir rit rkb rkc rke rkk rko rkt rku rnb rnc rnh rni rnn rno rnr rnt rnu rob