-er -th b-u bbb bbe bbg bbh bbi bbl bbr bbt bbu be- beb bee beg beh bei bel ber bet beu bgb bge bgg bgh bgi bgl bgr bgt bgu bhb bhe bhg bhh bhi bhl bhr bht bhu bi- bib bie big bih bii bil bir bit biu blb ble blg blh bli bll blr blt blu brb bre brg brh bri brl brr brt bru btb bte btg bth bti btl btr btt btu bub bue bug buh bui bul bur but buu ebb ebe ebg ebh ebi ebl ebr ebt ebu eeb eee eeg eel eer eet egb ege egg egh egi egl egr egt egu ehb ehe ehg ehh ehi ehl ehr eht ehu eib eie eig eii eil eir eit eiu elb ele elg elh eli ell elr elt elu erb ere erg erh eri erl err ert eru etb ete etg eth eti etl etr ett etu eu- eub eue eug eui eul eur eut gbe gbg gbh gbi gbl gbr gbt gbu ge- geb gee geg geh gei gel ger get geu ggb ggg ggh ggi ggr ggt ggu ghb ghe ghg ghh ghi ghl ghr ght gib gie gig gih gii gil gir git giu glb gle glg glh gli gll glr glt glu grb gre grg grh gri grl grr grt gru gtb gte gtg gth gti gtl gtr gtt gtu gu- gub gue gug gui gul gur gut guu h-i hbb hbe hbg hbh hbi hbl hbr hbt hbu he- heb hee heg heh hei hel her het heu hgb hge hgg hgh hgi hgl hgr hgt hgu hhb hhe hhg hhh hhi hhl hhr hht hhu hib hie hig hih hii hil hir hit hiu hlb hle hlg hlh hli hll hlr hlt hlu hr- hrb hre hrg hrh hri hrl hrr hrt hru htb hte htg hth hti htl htr htt hub hue hug huh hui hul hur hut huu ibb ibe ibg ibh ibi ibl ibr ibt ibu ie- iee ieg iei iel ier iet igb ige igg igh igi igl igr igt igu ihb ihe ihg ihh ihi ihl ihr iht ihu iib iie iih iii iil iir iit iiu il- ilb ile ilg ilh ili ill ilr ilt ilu ir- irb ire irg iri irl irr irt iru itb ite itg ith iti itl itt itu iu- iub iue iug iui iur iut lbb lbe lbg lbh lbi lbl lbr lbt lbu leb lee leg leh lei lel ler let leu lgb lge lgg lgh lgi lgl lgr lgt lgu lhb lhh lhi lhr lht lhu lib lie lig lih lii lil lir lit liu llb lle llg lli lll llr llt llu lrb lrg lrh lri lrr lrt lru ltb lte ltg lth lti ltl ltr ltt ltu lub lue lug luh lui lul lur lut luu rbb rbe rbg rbh rbi rbl rbr rbt rbu re- reb ree reg reh rei rel rer ret reu rgb rge rgg rgh rgi rgr rgt rh- rhb rhe rhg rhh rhi rhl rhr rht rhu rib rie rig rih rii ril rir rit rle rlg rlh rli rll rlr rlt rlu rrb rrg rrh rri rrl rrr rrt rru rtb rte rtg rti rtl rtr rtt rtu rub rue rug ruh rui rur rut ruu tbb tbe tbg tbh tbi tbl tbr tbt tbu te- teb tee teg teh tei tel ter tet teu tgb tge tgg tgh tgi tgl tgr tgt tgu th- thb the thg thh thi thl thr tht thu tib tie tig tih tii til tir tit tiu tle tlg tlh tli tll tlr tlt tlu trb tre trg trh tri trl trr trt tru ttb tte ttg tth tti ttl ttr ttt ttu tub tue tug tuh tui tul tur tut tuu ubb ube ubg ubh ubi ubl ubr ubt ubu ueb uee ueg ueh uei uel uer uet ugb uge ugg ugh ugi ugl ugr ugt ugu uhb uhe uhh uhi uhl uhr uht uhu uib uie uig uii uil uir uit uiu ulb ule ulg uli ull ulr ult ulu ur- urb ure urg uri url urr urt uru utb ute uth uti utl utr utt utu uue uug uur uut uuu