-er b-u bbb bbe bbg bbh bbi bbo bbr bbs bbu bbx be- beb bee beg beh bei beo ber bes beu bex bgb bge bgg bgh bgi bgo bgr bgs bgu bgx bhb bhe bhg bhh bhi bho bhr bhs bhu bhx bi- bib bie big bih bii bio bir bis biu bix bob boe bog boh boi boo bor bos bou box brb bre brg brh bri bro brr brs bru brx bsb bse bsg bsh bsi bso bsr bss bsu bsx bub bue bug buh bui buo bur bus buu bux bxb bxi bxo bxx ebb ebe ebg ebh ebi ebo ebr ebs ebu ebx eeb eee eeg eeo eer ees eex egb ege egg egh egi ego egr egs egu egx ehb ehe ehg ehh ehi eho ehr ehs ehu eib eie eig eii eio eir eis eiu eix eo- eob eoe eog eoh eoi eoo eor eos eou erb ere erg erh eri ero err ers eru es- esb ese esg esh esi eso esr ess esu esx eu- eub eue eug eui eur eus eux ex- exe exh exi exo exr exs exu exx gbe gbg gbh gbi gbo gbr gbs gbu gbx ge- geb gee geg geh gei geo ger ges geu gex ggb ggg ggh ggi ggo ggr ggs ggu ghb ghe ghg ghh ghi gho ghr ghs gib gie gig gih gii gio gir gis giu gob goe gog goh goi goo gor gos gou gox grb gre grg grh gri gro grr grs gru grx gsb gse gsg gsi gso gsr gss gsu gsx gu- gub gue gug gui guo gur gus guu gxs h-i hbb hbe hbg hbh hbi hbo hbr hbs hbu hbx he- heb hee heg heh hei heo her hes heu hex hgb hge hgg hgh hgi hgo hgr hgs hgu hhb hhe hhg hhh hhi hho hhr hhs hhu hib hie hig hih hii hio hir his hiu hix hob hoe hog hoh hoi hoo hor hos hou hox hr- hrb hre hrg hrh hri hro hrr hrs hru hsb hse hsg hsh hsi hsr hss hsu hsx hub hue hug huh hui huo hur hus huu hux ibb ibe ibg ibh ibi ibo ibr ibs ibu ibx ie- iee ieg iei ier ies iex igb ige igg igh igi igo igr igs igu ihb ihe ihg ihh ihi iho ihr ihs ihu iib iie iih iii iio iir iis iiu iix io- iob ioe iog ioh ioi ioo ior ios iou ir- irb ire irg iri iro irr irs iru irx is- isb ise isg ish isi iso isr iss isu iu- iub iue iug iui iur ius ixe ixi o-i ob- obb obe obg obh obi obo obr obs obu obx oeb oee oeg oeh oei oeo oer oes oex oge ogg ogh ogi ogo ogs ogx ohe ohg ohh ohi oho ohr ohs ohu oib oie oii oio oir ois oiu oo- oob oog ooh ooi ooo oor oos oox or- orb ore org orh ori oro orr ors oru orx os- osb ose osg osh osi oso osr oss osu osx ou- oue ouh oui ouo our ous ox- oxb oxi oxo oxx rbb rbe rbg rbh rbi rbo rbr rbs rbu rbx re- reb ree reg reh rei reo rer res reu rex rgb rge rgg rgh rgi rgo rgr rgs rgx rh- rhb rhe rhg rhh rhi rho rhr rhs rhu rib rie rig rih rii rio rir ris rix rob roe rog roh roi roo ror ros rou rox rrb rrg rrh rri rrr rrs rru rsb rse rsg rsh rsi rso rsr rss rsu rsx rub rue rug ruh rui ruo rur rus ruu rux rxr rxs sbb sbe sbg sbh sbi sbo sbr sbs sbu sbx se- seb see seg seh sei seo ser ses seu sex sgb sge sgg sgh sgi sgo sgr sgs sgu sgx sh- shb she shg shh shi sho shr shs shu sib sie sig sih sii sio sir sis siu six sob soe sog soh soi soo sor sos sou sox sr- srb sre srg srh sri sro srr srs srx ss- ssb sse ssg ssh ssi sso ssr sss ssu ssx sub sue sug suh sui suo sur sus suu sux sxi sxs sxu ubb ube ubg ubh ubi ubo ubr ubs ubu ubx ueb uee ueg ueh uei uer ues ugb uge ugg ugh ugi ugo ugr ugs ugu ugx uhb uhe uhh uhi uho uhr uhs uhu uib uie uig uii uio uir uis uiu uob uoe uog uoo uor uos uox ur- urb ure urg uri uro urr urs uru urx usb use usg ush usi uso usr uss usu usx uue uug uur uus uuu uxb uxo uxr uxu xbe xbr xbx xee xeg xer xes xeu xex xge xgi xie xii xio xis xiu xix xog xoi xoo xor xos xox xrx xsb xsi xss xue xui xus xxi xxo xxx