-er -ic -th b-u bbb bbc bbe bbf bbh bbi bbo bbr bbs bbt bbu bcb bcc bce bcf bch bci bco bcr bcs bct bcu be- beb bec bee bef beh bei beo ber bes bet beu bfb bfc bfe bff bfh bfi bfo bfr bfs bft bfu bhb bhc bhe bhf bhh bhi bho bhr bhs bht bhu bi- bib bic bie bif bih bii bio bir bis bit biu bob boc boe bof boh boi boo bor bos bot bou brb bre brf brh bri bro brr brs brt bru bsb bsc bse bsf bsh bsi bso bsr bss bst bsu btb btc bte btf bth bti bto btr bts btt btu bub buc bue buf buh bui buo bur bus but buu c-- cbb cbc cbe cbf cbh cbi cbo cbr cbs cbt cbu ccb ccc cce ccf cch cci cco ccr ccs cct ccu ce- ceb cec cee cef ceh cei ceo cer ces cet ceu cfb cfc cfe cff cfh cfi cfo cfr cfs cft cfu ch- chb chc che chf chh chi cho chr chs cht chu ci- cib cic cie cif cih cii cio cir cis cit ciu co- cob coc coe cof coh coi coo cor cos cot cou crb crc cre crf crh cri cro crr crs crt cru csb csc cse csf csh csi cso csr css cst csu ctb ctc cte ctf cth cti cto ctr cts ctt ctu cub cuc cue cuf cuh cui cuo cur cus cut cuu ebb ebc ebe ebf ebh ebi ebo ebr ebs ebt ebu ec- ecb ecc ece ecf ech eci eco ecr ecs ect ecu eeb eec eee eef eeo eer ees eet ef- efb efc efe eff efh efi efo efr efs eft ehb ehc ehe ehf ehh ehi eho ehr ehs eht ehu eib eic eie eif eii eio eir eis eit eiu eo- eob eoc eoe eof eoh eoi eoo eor eos eot eou erb erc ere erf erh eri ero err ers ert eru es- esb esc ese esf esh esi eso esr ess est esu etb etc ete etf eth eti eto etr ets ett etu eu- eub euc eue euf eui eur eus eut fbb fbc fbe fbf fbh fbi fbo fbr fbs fbt fbu fcb fcc fce fcf fci fco fcr fcs fct fcu feb fec fee fef feh fei feo fer fes fet feu ffc ffe fff ffh ffi ffo ffr ffs fft ffu fhb fhc fhe fhf fhh fhi fho fhr fhs fib fic fie fif fih fii fir fis fit fiu fob foc foe fof foh foi foo for fos fot fou frb frc fre frf frh fri fro frr frs frt fru fsb fsc fse fsf fsh fsi fso fsr fss fst fsu ftb ftc fte ftf fth fti fto ftr fts ftt ftu fub fue fuf fui fuo fur fus fut fuu h-i hbb hbc hbe hbf hbh hbi hbo hbr hbs hbt hbu hcb hcc hce hcf hch hci hco hcr hcs hct he- heb hec hee hef heh hei heo her hes het heu hfb hfc hfe hff hfh hfi hfo hfr hfs hft hfu hhb hhc hhe hhf hhh hhi hho hhr hhs hht hhu hib hic hie hif hih hii hio hir his hit hiu hob hoc hoe hof hoh hoi hoo hor hos hot hou hr- hrb hrc hre hrf hrh hri hro hrr hrs hrt hru hsb hsc hse hsf hsh hsi hsr hss hst hsu htb htc hte htf hth hti hto htr hts htt hub huc hue huf huh hui huo hur hus hut huu i-f ibb ibc ibe ibf ibh ibi ibo ibr ibs ibt ibu icb icc ice icf ich ici ico icr ics ict icu ie- iec iee ief iei ier ies iet ifb ifc ife iff ifi ifo ifr ifs ift ifu ihb ihc ihe ihf ihh ihi iho ihr ihs iht ihu iib iic iie iif iih iii iio iir iis iit iiu io- iob ioc ioe iof ioh ioi ioo ior ios iot iou ir- irb irc ire irf iri iro irr irs irt iru is- isb isc ise isf ish isi iso isr iss ist isu itb itc ite itf ith iti ito its itt itu iu- iub iuc iue iui iur ius iut o-i ob- obb obc obe obf obh obi obo obr obs obt obu oc- ocb occ ocf och oci oco ocr ocs oct ocu oeb oec oee oef oeh oei oeo oer oes oet of- ofb ofc ofe off ofi ofo ofr ofs oft ofu ohc ohe ohf ohh ohi oho ohr ohs oht ohu oib oic oie oif oii oio oir ois oit oiu oo- oob ooc oof ooh ooi ooo oor oos oot or- orb orc ore orf orh ori oro orr ors ort oru os- osb osc ose osf osh osi oso osr oss ost osu ot- otb otc ote otf oth oti oto otr ots ott otu ou- ouc oue ouf ouh oui ouo our ous out rbb rbc rbe rbf rbh rbi rbo rbr rbs rbt rbu rcb rcc rce rcf rch rci rco rcr rcs rct rcu re- reb rec ree ref reh rei reo rer res ret reu rfb rfc rfe rff rfh rfi rfo rfr rfs rft rfu rh- rhb rhc rhe rhf rhh rhi rho rhr rhs rht rhu rib ric rie rif rih rii rio rir ris rit rob roc roe rof roh roi roo ror ros rot rou rrb rrc rrf rrh rri rrr rrs rrt rru rsb rsc rse rsf rsh rsi rso rsr rss rst rsu rtb rtc rte rtf rti rto rtr rts rtt rtu rub ruc rue ruf ruh rui ruo rur rus rut ruu sbb sbc sbe sbf sbh sbi sbo sbr sbs sbt sbu scb scc sce scf sch sci sco scr scs sct scu se- seb sec see sef seh sei seo ser ses set seu sfb sfc sfe sff sfh