-er -ic -th bbb bbc bbe bbh bbi bbk bbn bbo bbr bbs bbt bcb bcc bce bch bci bck bcn bco bcr bcs bct be- beb bec bee beh bei bek ben beo ber bes bet bhb bhc bhe bhh bhi bhk bho bhr bhs bht bi- bib bic bie bih bii bik bin bio bir bis bit bkb bkc bke bkk bkn bko bkr bks bkt bnb bnc bne bni bnk bnn bno bnr bns bnt bob boc boe boh boi bok bon boo bor bos bot brb bre brh bri brk brn bro brr brs brt bsb bsc bse bsh bsi bsk bsn bso bsr bss bst btb btc bte bth bti btk btn bto btr bts btt c-- cbb cbc cbe cbh cbi cbk cbn cbo cbr cbs cbt ccb ccc cce cch cci cck ccn cco ccr ccs cct ce- ceb cec cee ceh cei cek cen ceo cer ces cet ch- chb chc che chh chi chk chn cho chr chs cht ci- cib cic cie cih cii cik cin cio cir cis cit ckb ckc ckh cki cko cks ckt cn- cnb cnc cne cnh cni cnn cno cnr cns cnt co- cob coc coe coh coi cok con coo cor cos cot crb crc cre crh cri crk crn cro crr crs crt csb csc cse csh csi csk csn cso csr css cst ctb ctc cte cth cti ctk ctn cto ctr cts ctt ebb ebc ebe ebh ebi ebk ebn ebo ebr ebs ebt ec- ecb ecc ece ech eci eck ecn eco ecr ecs ect eeb eec eee eek een eeo eer ees eet ehb ehc ehe ehh ehi ehn eho ehr ehs eht eib eic eie eii eik ein eio eir eis eit ekb ekc eke ekh eki eko ekr eks ekt en- enb enc ene enh eni enk enn eno enr ens ent eo- eob eoc eoe eoh eoi eok eon eoo eor eos eot erb erc ere erh eri erk ern ero err ers ert es- esb esc ese esh esi esk esn eso esr ess est etb etc ete eth eti etk etn eto etr ets ett h-i hbb hbc hbe hbh hbi hbk hbn hbo hbr hbs hbt hcb hcc hce hch hci hck hcn hco hcr hcs hct he- heb hec hee heh hei hek hen heo her hes het hhb hhc hhe hhh hhi hhk hhn hho hhr hhs hht hib hic hie hih hii hik hin hio hir his hit hkb hkh hki hkk hkn hko hkr hks hkt hnb hnc hne hnh hnk hnn hno hns hnt hob hoc hoe hoh hoi hok hon hoo hor hos hot hr- hrb hrc hre hrh hri hrk hrn hro hrr hrs hrt hsb hsc hse hsh hsi hsk hsn hsr hss hst htb htc hte hth hti htk htn hto htr hts htt ibb ibc ibe ibh ibi ibk ibn ibo ibr ibs ibt icb icc ice ich ici ick icn ico icr ics ict ie- iec iee iei iek ien ier ies iet ihb ihc ihe ihh ihi ihk ihn iho ihr ihs iht iib iic iie iih iii iin iio iir iis iit ikb ikc ike iki ikk iko ikr iks ikt in- inb inc ine inh ini ink inn ino inr ins int io- iob ioc ioe ioh ioi ion ioo ior ios iot ir- irb irc ire iri irk irn iro irr irs irt is- isb isc ise ish isi isk isn iso isr iss ist itb itc ite ith iti itk itn ito its itt k-t kbb kbc kbe kbh kbi kbk kbn kbo kbr kbs kcb kcc kce kch kci kck kcn kcr kcs kct ke- keb kec kee keh kei kek ken keo ker kes ket khe khh khi khk khn kho khr khs kib kic kie kih kii kik kin kio kir kis kit kkb kkc kke kkh kki kkk kkn kkr kks kkt kn- knc kne kni knk knn kno knr knt kob koc koe koh koi kok kon koo kor kos kot krc kri krk krn kro krr krs krt ksb ksc kse ksh ksi ksk ksn kso ksr kss kst ktb ktc kte kth ktk ktn kto ktr kts ktt n-i nbb nbc nbe nbi nbk nbn nbo nbr nbs nbt ncb ncc nce nch nci nck ncn nco ncr ncs nct ne- neb nec nee neh nei nek nen neo ner nes net nhb nhc nhe nhh nhi nhk nhn nhr nhs nht nib nic nie nih nii nik nin nio nir nis nit nkc nke nki nkk nkn nko nkr nks nkt nnb nnc nne nnh nni nnk nnn nno nns nnt no- nob noc noe noh noi nok non noo nor nos not nrb nrc nre nri nrk nrn nro nrr nrs nrt nsb nsc nse nsh nsi nsk nsn nso nsr nss nst ntb ntc nte nth nti ntk ntn nto ntr nts ntt o-i ob- obb obc obe obh obi obk obn obo obr obs obt oc- ocb occ och oci ock ocn oco ocr ocs oct oeb oec oee oeh oei oen oeo oer oes oet ohc ohe ohh ohi ohn oho ohr ohs oht oib oic oie oii oik oin oio oir ois oit okb okc oke oki okk oko okr oks on- onb onc one onh oni onk onn ono onr ons ont oo- oob ooc ooh ooi ook oon ooo oor oos oot or- orb orc ore orh ori ork orn oro orr ors ort os- osb osc ose osh osi osk osn oso osr oss ost ot- otb otc ote oth oti otk otn oto otr ots ott rbb rbc rbe rbh rbi rbk rbn rbo rbr rbs rbt rcb rcc rce rch rci rcn rco rcr rcs rct re- reb rec ree reh rei rek ren reo rer res ret rh- rhb rhc rhe rhh rhi rhn rho rhr rhs rht rib ric rie rih rii rik rin rio rir