-er -ic -th b-u bbb bbc bbe bbh bbi bbn bbo bbr bbs bbt bbu bcb bcc bce bch bci bcn bco bcr bcs bct bcu be- beb bec bee beh bei ben beo ber bes bet beu bhb bhc bhe bhh bhi bho bhr bhs bht bhu bi- bib bic bie bih bii bin bio bir bis bit biu bnb bnc bne bni bnn bno bnr bns bnt bnu bob boc boe boh boi bon boo bor bos bot bou brb bre brh bri brn bro brr brs brt bru bsb bsc bse bsh bsi bsn bso bsr bss bst bsu btb btc bte bth bti btn bto btr bts btt btu bub buc bue buh bui bun buo bur bus but buu c-- cbb cbc cbe cbh cbi cbn cbo cbr cbs cbt cbu ccb ccc cce cch cci ccn cco ccr ccs cct ccu ce- ceb cec cee ceh cei cen ceo cer ces cet ceu ch- chb chc che chh chi chn cho chr chs cht chu ci- cib cic cie cih cii cin cio cir cis cit ciu cn- cnb cnc cne cnh cni cnn cno cnr cns cnt cnu co- cob coc coe coh coi con coo cor cos cot cou crb crc cre crh cri crn cro crr crs crt cru csb csc cse csh csi csn cso csr css cst csu ctb ctc cte cth cti ctn cto ctr cts ctt ctu cub cuc cue cuh cui cun cuo cur cus cut cuu ebb ebc ebe ebh ebi ebn ebo ebr ebs ebt ebu ec- ecb ecc ece ech eci ecn eco ecr ecs ect ecu eeb eec eee een eeo eer ees eet ehb ehc ehe ehh ehi ehn eho ehr ehs eht ehu eib eic eie eii ein eio eir eis eit eiu en- enb enc ene enh eni enn eno enr ens ent enu eo- eob eoc eoe eoh eoi eon eoo eor eos eot eou erb erc ere erh eri ern ero err ers ert eru es- esb esc ese esh esi esn eso esr ess est esu etb etc ete eth eti etn eto etr ets ett etu eu- eub euc eue eui eun eur eus eut h-i hbb hbc hbe hbh hbi hbn hbo hbr hbs hbt hbu hcb hcc hce hch hci hcn hco hcr hcs hct he- heb hec hee heh hei hen heo her hes het heu hhb hhc hhe hhh hhi hhn hho hhr hhs hht hhu hib hic hie hih hii hin hio hir his hit hiu hnb hnc hne hnh hnn hno hns hnt hnu hob hoc hoe hoh hoi hon hoo hor hos hot hou hr- hrb hrc hre hrh hri hrn hro hrr hrs hrt hru hsb hsc hse hsh hsi hsn hsr hss hst hsu htb htc hte hth hti htn hto htr hts htt hub huc hue huh hui hun huo hur hus hut huu ibb ibc ibe ibh ibi ibn ibo ibr ibs ibt ibu icb icc ice ich ici icn ico icr ics ict icu ie- iec iee iei ien ier ies iet ihb ihc ihe ihh ihi ihn iho ihr ihs iht ihu iib iic iie iih iii iin iio iir iis iit iiu in- inb inc ine inh ini inn ino inr ins int inu io- iob ioc ioe ioh ioi ion ioo ior ios iot iou ir- irb irc ire iri irn iro irr irs irt iru is- isb isc ise ish isi isn iso isr iss ist isu itb itc ite ith iti itn ito its itt itu iu- iub iuc iue iui iur ius iut n-i nbb nbc nbe nbi nbn nbo nbr nbs nbt nbu ncb ncc nce nch nci ncn nco ncr ncs nct ncu ne- neb nec nee neh nei nen neo ner nes net neu nhb nhc nhe nhh nhi nhn nhr nhs nht nhu nib nic nie nih nii nin nio nir nis nit niu nnb nnc nne nnh nni nnn nno nns nnt nnu no- nob noc noe noh noi non noo nor nos not nou nrb nrc nre nri nrn nro nrr nrs nrt nru nsb nsc nse nsh nsi nsn nso nsr nss nst nsu ntb ntc nte nth nti ntn nto ntr nts ntt ntu nub nuc nue nuh nui nun nuo nur nus nut nuu o-i ob- obb obc obe obh obi obn obo obr obs obt obu oc- ocb occ och oci ocn oco ocr ocs oct ocu oeb oec oee oeh oei oen oeo oer oes oet ohc ohe ohh ohi ohn oho ohr ohs oht ohu oib oic oie oii oin oio oir ois oit oiu on- onb onc one onh oni onn ono onr ons ont onu oo- oob ooc ooh ooi oon ooo oor oos oot or- orb orc ore orh ori orn oro orr ors ort oru os- osb osc ose osh osi osn oso osr oss ost osu ot- otb otc ote oth oti otn oto otr ots ott otu ou- ouc oue ouh oui oun ouo our ous out rbb rbc rbe rbh rbi rbn rbo rbr rbs rbt rbu rcb rcc rce rch rci rcn rco rcr rcs rct rcu re- reb rec ree reh rei ren reo rer res ret reu rh- rhb rhc rhe rhh rhi rhn rho rhr rhs rht rhu rib ric rie rih rii rin rio rir ris rit rnb rnc rnh rni rnn rno rnr rns rnt rnu rob roc roe roh roi ron roo ror ros rot rou rrb rrc rrh rri rrn rrr rrs rrt rru rsb rsc rse rsh rsi rsn rso rsr rss rst rsu rtb rtc rte rti rtn rto rtr rts rtt rtu rub ruc rue ruh rui run ruo rur rus rut ruu sbb sbc sbe sbh sbi sbn sbo sbr sbs sbt sbu scb scc sce sch sci scn sco scr scs sct scu se- seb sec see seh sei sen seo ser ses set seu