-er -ic -th bbb bbc bbe bbh bbi bbk bbn bbo bbr bbt bcb bcc bce bch bci bck bcn bco bcr bct be- beb bec bee beh bei bek ben beo ber bet bhb bhc bhe bhh bhi bhk bho bhr bht bi- bib bic bie bih bii bik bin bio bir bit bkb bkc bke bkk bkn bko bkr bkt bnb bnc bne bni bnk bnn bno bnr bnt bob boc boe boh boi bok bon boo bor bot brb bre brh bri brk brn bro brr brt btb btc bte bth bti btk btn bto btr btt c-- cbb cbc cbe cbh cbi cbk cbn cbo cbr cbt ccb ccc cce cch cci cck ccn cco ccr cct ce- ceb cec cee ceh cei cek cen ceo cer cet ch- chb chc che chh chi chk chn cho chr cht ci- cib cic cie cih cii cik cin cio cir cit ckb ckc ckh cki cko ckt cn- cnb cnc cne cnh cni cnn cno cnr cnt co- cob coc coe coh coi cok con coo cor cot crb crc cre crh cri crk crn cro crr crt ctb ctc cte cth cti ctk ctn cto ctr ctt ebb ebc ebe ebh ebi ebk ebn ebo ebr ebt ec- ecb ecc ece ech eci eck ecn eco ecr ect eeb eec eee eek een eeo eer eet ehb ehc ehe ehh ehi ehn eho ehr eht eib eic eie eii eik ein eio eir eit ekb ekc eke ekh eki eko ekr ekt en- enb enc ene enh eni enk enn eno enr ent eo- eob eoc eoe eoh eoi eok eon eoo eor eot erb erc ere erh eri erk ern ero err ert etb etc ete eth eti etk etn eto etr ett h-i hbb hbc hbe hbh hbi hbk hbn hbo hbr hbt hcb hcc hce hch hci hck hcn hco hcr hct he- heb hec hee heh hei hek hen heo her het hhb hhc hhe hhh hhi hhk hhn hho hhr hht hib hic hie hih hii hik hin hio hir hit hkb hkh hki hkk hkn hko hkr hkt hnb hnc hne hnh hnk hnn hno hnt hob hoc hoe hoh hoi hok hon hoo hor hot hr- hrb hrc hre hrh hri hrk hrn hro hrr hrt htb htc hte hth hti htk htn hto htr htt ibb ibc ibe ibh ibi ibk ibn ibo ibr ibt icb icc ice ich ici ick icn ico icr ict ie- iec iee iei iek ien ier iet ihb ihc ihe ihh ihi ihk ihn iho ihr iht iib iic iie iih iii iin iio iir iit ikb ikc ike iki ikk iko ikr ikt in- inb inc ine inh ini ink inn ino inr int io- iob ioc ioe ioh ioi ion ioo ior iot ir- irb irc ire iri irk irn iro irr irt itb itc ite ith iti itk itn ito itt k-t kbb kbc kbe kbh kbi kbk kbn kbo kbr kcb kcc kce kch kci kck kcn kcr kct ke- keb kec kee keh kei kek ken keo ker ket khe khh khi khk khn kho khr kib kic kie kih kii kik kin kio kir kit kkb kkc kke kkh kki kkk kkn kkr kkt kn- knc kne kni knk knn kno knr knt kob koc koe koh koi kok kon koo kor kot krc kri krk krn kro krr krt ktb ktc kte kth ktk ktn kto ktr ktt n-i nbb nbc nbe nbi nbk nbn nbo nbr nbt ncb ncc nce nch nci nck ncn nco ncr nct ne- neb nec nee neh nei nek nen neo ner net nhb nhc nhe nhh nhi nhk nhn nhr nht nib nic nie nih nii nik nin nio nir nit nkc nke nki nkk nkn nko nkr nkt nnb nnc nne nnh nni nnk nnn nno nnt no- nob noc noe noh noi nok non noo nor not nrb nrc nre nri nrk nrn nro nrr nrt ntb ntc nte nth nti ntk ntn nto ntr ntt o-i ob- obb obc obe obh obi obk obn obo obr obt oc- ocb occ och oci ock ocn oco ocr oct oeb oec oee oeh oei oen oeo oer oet ohc ohe ohh ohi ohn oho ohr oht oib oic oie oii oik oin oio oir oit okb okc oke oki okk oko okr on- onb onc one onh oni onk onn ono onr ont oo- oob ooc ooh ooi ook oon ooo oor oot or- orb orc ore orh ori ork orn oro orr ort ot- otb otc ote oth oti otk otn oto otr ott rbb rbc rbe rbh rbi rbk rbn rbo rbr rbt rcb rcc rce rch rci rcn rco rcr rct re- reb rec ree reh rei rek ren reo rer ret rh- rhb rhc rhe rhh rhi rhn rho rhr rht rib ric rie rih rii rik rin rio rir rit rkb rkc rke rkk rko rkt rnb rnc rnh rni rnn rno rnr rnt rob roc roe roh roi rok ron roo ror rot rrb rrc rrh rri rrk rrn rrr rrt rtb rtc rte rti rtk rtn rto rtr rtt tbb tbc tbe tbh tbi tbk tbn tbo tbr tbt tcb tcc tce tch tci tck tcn tco tcr tct te- teb tec tee teh tei tek ten teo ter tet th- thb thc the thh thi thk thn tho thr tht tib tic tie tih tii tik tin tio tir tit tkb tkc tke tkk tko tkr tkt tnb tnc tne tnh tni tnk tnn tno tnr tnt to- tob toc toe toh toi tok ton too tor tot trb trc tre trh tri trk trn tro trr trt ttb ttc tte tth tti ttk ttn tto ttr ttt