-er -ol -up b-p b-u bbb bbe bbf bbi bbk bbl bbo bbp bbr bbt bbu be- beb bee bef bei bek bel beo bep ber bet beu bfb bfe bff bfi bfl bfo bfp bfr bft bfu bi- bib bie bif bii bik bil bio bip bir bit biu bkb bke bkf bkk bkl bko bkp bkr bkt blb ble blf bli blk bll blo blp blr blt blu bob boe bof boi bok bol boo bop bor bot bou bpb bpe bpf bpi bpl bpo bpp bpr bpt bpu brb bre brf bri brk brl bro brp brr brt bru btb bte btf bti btk btl bto btp btr btt btu bub bue buf bui buk bul buo bup bur but buu ebb ebe ebf ebi ebk ebl ebo ebp ebr ebt ebu eeb eee eef eek eel eeo eep eer eet ef- efb efe eff efi efl efo efp efr eft eib eie eif eii eik eil eio eip eir eit eiu ekb eke ekf eki ekl eko ekp ekr ekt eku elb ele elf eli elk ell elo elp elr elt elu eo- eob eoe eof eoi eok eol eoo eop eor eot eou ep- epb epe epf epi epl epo epp epr ept epu erb ere erf eri erk erl ero erp err ert eru etb ete etf eti etk etl eto etp etr ett etu eu- eub eue euf eui eul eup eur eut fbb fbe fbf fbi fbk fbl fbo fbp fbr fbt fbu feb fee fef fei fek fel feo fep fer fet feu ffe fff ffi ffk ffl ffo ffp ffr fft ffu fib fie fif fii fik fil fip fir fit fiu fkb fkf fki fkk fkl fkp fkt flb fle flf fli fll flo flp flr flt flu fob foe fof foi fok fol foo fop for fot fou fpb fpe fpi fpk fpl fpo fpp fpr fpt fpu frb fre frf fri frk frl fro frp frr frt fru ftb fte ftf fti ftk ftl fto ftp ftr ftt ftu fub fue fuf fui fuk ful fuo fup fur fut fuu i-f ibb ibe ibf ibi ibk ibl ibo ibp ibr ibt ibu ie- iee ief iei iek iel iep ier iet ifb ife iff ifi ifl ifo ifp ifr ift ifu iib iie iif iii iil iio iip iir iit iiu ikb ike ikf iki ikk ikl iko ikr ikt iku il- ilb ile ilf ili ilk ill ilo ilp ilr ilt ilu io- iob ioe iof ioi iol ioo iop ior iot iou ipb ipe ipf ipi ipl ipo ipp ipr ipt ipu ir- irb ire irf iri irk irl iro irp irr irt iru itb ite itf iti itk itl ito itp itt itu iu- iub iue iui iup iur iut k-t kbb kbe kbf kbi kbk kbl kbo kbp kbr kbu ke- keb kee kef kei kek kel keo kep ker ket kff kfi kfo kfu kib kie kif kii kik kil kio kip kir kit kiu kkb kke kki kkk kkl kkp kkr kkt kku kl- klb klf kli klo klr klt klu kob koe kof koi kok kol koo kop kor kot kou kpe kpf kpi kpk kpl kpo kpp kpr kpt kpu krf kri krk krl kro krp krr krt kru ktb kte ktf ktk ktl kto ktp ktr ktt ktu kub kue kui kuk kul kup kur kut kuu l-p lbb lbe lbf lbi lbk lbl lbo lbp lbr lbt lbu leb lee lef lei lek lel leo lep ler let leu lfb lfe lff lfi lfk lfl lfo lfp lfr lft lfu lib lie lif lii lik lil lio lip lir lit liu lkb lkl lkp lkr lkt llb lle llf lli llk lll llo llp llr llt llu lob loe lof loi lok lol loo lop lor lot lou lpb lpe lpf lpi lpk lpl lpo lpp lpr lpt lpu lrb lrf lri lrk lro lrp lrr lrt lru ltb lte ltf lti ltk ltl lto ltp ltr ltt ltu lub lue luf lui luk lul luo lup lur lut luu o-i ob- obb obe obf obi obk obl obo obp obr obt obu oeb oee oef oei oel oeo oep oer oet of- ofb ofe off ofi ofl ofo ofp ofr oft ofu oib oie oif oii oik oil oio oip oir oit oiu okb oke oki okk okl oko okp okr oku olb ole olf oli olk oll olo olp olt olu oo- oob oof ooi ook ool ooo oop oor oot op- opb ope opf opi opk opl opo opp opr opt or- orb ore orf ori ork orl oro orp orr ort oru ot- otb ote otf oti otk otl oto otp otr ott otu ou- oue ouf oui ouk oul ouo oup our out p-p pbb pbe pbf pbi pbk pbl pbo pbp pbr pbt pbu peb pee pef pei pek pel peo pep per pet peu pfb pfe pff pfi pfk pfl pfo pfp pfr pft pfu pib pie pif pii pik pil pio pip pir pit piu pkb pke pkf pki pkl pko pkp pkr pkt pku plb ple plf pli plk pll plo plp plr plt plu pob poe pof poi pok pol poo pop por pot pou ppb ppe ppf ppi ppk ppl ppo ppp ppr ppt ppu prb pre prf pri prk prl pro prp prr prt pru pt- ptb pte ptf pti ptk ptl pto ptp ptr ptt ptu pub pue puf pui puk pul pup pur put puu rbb rbe rbf rbi rbk rbl rbo rbp rbr rbt rbu re- reb ree ref rei rek rel reo rep rer ret reu rfb rfe rff rfi rfk rfl rfo rfp rfr rft rfu rib rie rif rii rik ril rio rip rir rit rkb rke rkf rkk rko rkp rkt rku rle rlf rli rll rlo rlp rlr rlt rlu rob roe rof roi rok rol roo rop ror rot rou rpb rpe rpf rpi rpk rpl