-er -ic -th b-u bbb bbc bbe bbh bbi bbn bbo bbr bbt bbu bcb bcc bce bch bci bcn bco bcr bct bcu be- beb bec bee beh bei ben beo ber bet beu bhb bhc bhe bhh bhi bho bhr bht bhu bi- bib bic bie bih bii bin bio bir bit biu bnb bnc bne bni bnn bno bnr bnt bnu bob boc boe boh boi bon boo bor bot bou brb bre brh bri brn bro brr brt bru btb btc bte bth bti btn bto btr btt btu bub buc bue buh bui bun buo bur but buu c-- cbb cbc cbe cbh cbi cbn cbo cbr cbt cbu ccb ccc cce cch cci ccn cco ccr cct ccu ce- ceb cec cee ceh cei cen ceo cer cet ceu ch- chb chc che chh chi chn cho chr cht chu ci- cib cic cie cih cii cin cio cir cit ciu cn- cnb cnc cne cnh cni cnn cno cnr cnt cnu co- cob coc coe coh coi con coo cor cot cou crb crc cre crh cri crn cro crr crt cru ctb ctc cte cth cti ctn cto ctr ctt ctu cub cuc cue cuh cui cun cuo cur cut cuu ebb ebc ebe ebh ebi ebn ebo ebr ebt ebu ec- ecb ecc ece ech eci ecn eco ecr ect ecu eeb eec eee een eeo eer eet ehb ehc ehe ehh ehi ehn eho ehr eht ehu eib eic eie eii ein eio eir eit eiu en- enb enc ene enh eni enn eno enr ent enu eo- eob eoc eoe eoh eoi eon eoo eor eot eou erb erc ere erh eri ern ero err ert eru etb etc ete eth eti etn eto etr ett etu eu- eub euc eue eui eun eur eut h-i hbb hbc hbe hbh hbi hbn hbo hbr hbt hbu hcb hcc hce hch hci hcn hco hcr hct he- heb hec hee heh hei hen heo her het heu hhb hhc hhe hhh hhi hhn hho hhr hht hhu hib hic hie hih hii hin hio hir hit hiu hnb hnc hne hnh hnn hno hnt hnu hob hoc hoe hoh hoi hon hoo hor hot hou hr- hrb hrc hre hrh hri hrn hro hrr hrt hru htb htc hte hth hti htn hto htr htt hub huc hue huh hui hun huo hur hut huu ibb ibc ibe ibh ibi ibn ibo ibr ibt ibu icb icc ice ich ici icn ico icr ict icu ie- iec iee iei ien ier iet ihb ihc ihe ihh ihi ihn iho ihr iht ihu iib iic iie iih iii iin iio iir iit iiu in- inb inc ine inh ini inn ino inr int inu io- iob ioc ioe ioh ioi ion ioo ior iot iou ir- irb irc ire iri irn iro irr irt iru itb itc ite ith iti itn ito itt itu iu- iub iuc iue iui iur iut n-i nbb nbc nbe nbi nbn nbo nbr nbt nbu ncb ncc nce nch nci ncn nco ncr nct ncu ne- neb nec nee neh nei nen neo ner net neu nhb nhc nhe nhh nhi nhn nhr nht nhu nib nic nie nih nii nin nio nir nit niu nnb nnc nne nnh nni nnn nno nnt nnu no- nob noc noe noh noi non noo nor not nou nrb nrc nre nri nrn nro nrr nrt nru ntb ntc nte nth nti ntn nto ntr ntt ntu nub nuc nue nuh nui nun nuo nur nut nuu o-i ob- obb obc obe obh obi obn obo obr obt obu oc- ocb occ och oci 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 oin oio oir oit oiu on- onb onc one onh oni onn ono onr ont onu oo- oob ooc ooh ooi oon ooo oor oot or- orb orc ore orh ori orn oro orr ort oru ot- otb otc ote oth oti otn oto otr ott otu ou- ouc oue ouh oui oun ouo our out rbb rbc rbe rbh rbi rbn rbo rbr rbt rbu rcb rcc rce rch rci rcn rco rcr rct rcu re- reb rec ree reh rei ren reo rer ret reu rh- rhb rhc rhe rhh rhi rhn rho rhr rht rhu rib ric rie rih rii rin rio rir rit rnb rnc rnh rni rnn rno rnr rnt rnu rob roc roe roh roi ron roo ror rot rou rrb rrc rrh rri rrn rrr rrt rru rtb rtc rte rti rtn rto rtr rtt rtu rub ruc rue ruh rui run ruo rur rut ruu tbb tbc tbe tbh tbi tbn tbo tbr tbt tbu tcb tcc tce tch tci tcn tco tcr tct tcu te- teb tec tee teh tei ten teo ter tet teu th- thb thc the thh thi thn tho thr tht thu tib tic tie tih tii tin tio tir tit tiu tnb tnc tne tnh tni tnn tno tnr tnt to- tob toc toe toh toi ton too tor tot tou trb trc tre trh tri trn tro trr trt tru ttb ttc tte tth tti ttn tto ttr ttt ttu tub tuc tue tuh tui tun tuo tur tut tuu ubb ubc ube ubh ubi ubn ubo ubr ubt ubu ucb ucc uce uch uci ucn uco ucr uct ucu ueb uec uee ueh uei uen uer uet uhb uhc uhe uhh uhi uho uhr uht uhu uib uic uie uii uin uio uir uit uiu un- unb unc une unh uni unn uno unr unt unu uob uoc uoe uon uoo uor uot ur- urb urc ure uri urn uro urr urt uru utb utc ute uth uti utn uto utr utt utu uuc uue uun uur uut uuu