-er -th b-u bbb bbe bbh bbi bbo bbr bbs bbt bbu be- beb bee beh bei beo ber bes bet beu bhb bhe bhh bhi bho bhr bhs bht bhu bi- bib bie bih bii bio bir bis bit biu bob boe boh boi boo bor bos bot bou brb bre brh bri bro brr brs brt bru bsb bse bsh bsi bso bsr bss bst bsu btb bte bth bti bto btr bts btt btu bub bue buh bui buo bur bus but buu ebb ebe ebh ebi ebo ebr ebs ebt ebu eeb eee eeo eer ees eet ehb ehe ehh ehi eho ehr ehs eht ehu eib eie eii eio eir eis eit eiu eo- eob eoe eoh eoi eoo eor eos eot eou erb ere erh eri ero err ers ert eru es- esb ese esh esi eso esr ess est esu etb ete eth eti eto etr ets ett etu eu- eub eue eui eur eus eut h-i hbb hbe hbh hbi hbo hbr hbs hbt hbu he- heb hee heh hei heo her hes het heu hhb hhe hhh hhi hho hhr hhs hht hhu hib hie hih hii hio hir his hit hiu hob hoe hoh hoi hoo hor hos hot hou hr- hrb hre hrh hri hro hrr hrs hrt hru hsb hse hsh hsi hsr hss hst hsu htb hte hth hti hto htr hts htt hub hue huh hui huo hur hus hut huu ibb ibe ibh ibi ibo ibr ibs ibt ibu ie- iee iei ier ies iet ihb ihe ihh ihi iho ihr ihs iht ihu iib iie iih iii iio iir iis iit iiu io- iob ioe ioh ioi ioo ior ios iot iou ir- irb ire iri iro irr irs irt iru is- isb ise ish isi iso isr iss ist isu itb ite ith iti ito its itt itu iu- iub iue iui iur ius iut o-i ob- obb obe obh obi obo obr obs obt obu oeb oee oeh oei oeo oer oes oet ohe ohh ohi oho ohr ohs oht ohu oib oie oii oio oir ois oit oiu oo- oob ooh ooi ooo oor oos oot or- orb ore orh ori oro orr ors ort oru os- osb ose osh osi oso osr oss ost osu ot- otb ote oth oti oto otr ots ott otu ou- oue ouh oui ouo our ous out rbb rbe rbh rbi rbo rbr rbs rbt rbu re- reb ree reh rei reo rer res ret reu rh- rhb rhe rhh rhi rho rhr rhs rht rhu rib rie rih rii rio rir ris rit rob roe roh roi roo ror ros rot rou rrb rrh rri rrr rrs rrt rru rsb rse rsh rsi rso rsr rss rst rsu rtb rte rti rto rtr rts rtt rtu rub rue ruh rui ruo rur rus rut ruu sbb sbe sbh sbi sbo sbr sbs sbt sbu se- seb see seh sei seo ser ses set seu sh- shb she shh shi sho shr shs sht shu sib sie sih sii sio sir sis sit siu sob soe soh soi soo sor sos sot sou sr- srb sre srh sri sro srr srs srt ss- ssb sse ssh ssi sso ssr sss sst ssu stb ste sth sti sto str sts stt stu sub sue suh sui suo sur sus sut suu tbb tbe tbh tbi tbo tbr tbs tbt tbu te- teb tee teh tei teo ter tes tet teu th- thb the thh thi tho thr ths tht thu tib tie tih tii tio tir tis tit tiu to- tob toe toh toi too tor tos tot tou trb tre trh tri tro trr trs trt tru tsb tse tsh tsi tso tsr tss tst tsu ttb tte tth tti tto ttr tts ttt ttu tub tue tuh tui tuo tur tus tut tuu ubb ube ubh ubi ubo ubr ubs ubt ubu ueb uee ueh uei uer ues uet uhb uhe uhh uhi uho uhr uhs uht uhu uib uie uii uio uir uis uit uiu uob uoe uoo uor uos uot ur- urb ure uri uro urr urs urt uru usb use ush usi uso usr uss ust usu utb ute uth uti uto utr uts utt utu uue uur uus uut uuu