-er -ol -up b-p b-u bbb bbe bbi bbk bbl bbo bbp bbr bbs bbt bbu be- beb bee bei bek bel beo bep ber bes bet beu bi- bib bie bii bik bil bio bip bir bis bit biu bkb bke bkk bkl bko bkp bkr bks bkt blb ble bli blk bll blo blp blr bls blt blu bob boe boi bok bol boo bop bor bos bot bou bpb bpe bpi bpl bpo bpp bpr bps bpt bpu brb bre bri brk brl bro brp brr brs brt bru bsb bse bsi bsk bsl bso bsp bsr bss bst bsu btb bte bti btk btl bto btp btr bts btt btu bub bue bui buk bul buo bup bur bus but buu ebb ebe ebi ebk ebl ebo ebp ebr ebs ebt ebu eeb eee eek eel eeo eep eer ees eet eib eie eii eik eil eio eip eir eis eit eiu ekb eke eki ekl eko ekp ekr eks ekt eku elb ele eli elk ell elo elp elr els elt elu eo- eob eoe eoi eok eol eoo eop eor eos eot eou ep- epb epe epi epl epo epp epr eps ept epu erb ere eri erk erl ero erp err ers ert eru es- esb ese esi esk esl eso esp esr ess est esu etb ete eti etk etl eto etp etr ets ett etu eu- eub eue eui eul eup eur eus eut ibb ibe ibi ibk ibl ibo ibp ibr ibs ibt ibu ie- iee iei iek iel iep ier ies iet iib iie iii iil iio iip iir iis iit iiu ikb ike iki ikk ikl iko ikr iks ikt iku il- ilb ile ili ilk ill ilo ilp ilr ils ilt ilu io- iob ioe ioi iol ioo iop ior ios iot iou ipb ipe ipi ipl ipo ipp ipr ips ipt ipu ir- irb ire iri irk irl iro irp irr irs irt iru is- isb ise isi isk isl iso isp isr iss ist isu itb ite iti itk itl ito itp its itt itu iu- iub iue iui iup iur ius iut k-t kbb kbe kbi kbk kbl kbo kbp kbr kbs kbu ke- keb kee kei kek kel keo kep ker kes ket kib kie kii kik kil kio kip kir kis kit kiu kkb kke kki kkk kkl kkp kkr kks kkt kku kl- klb kli klo klr kls klt klu kob koe koi kok kol koo kop kor kos kot kou kpe kpi kpk kpl kpo kpp kpr kps kpt kpu kri krk krl kro krp krr krs krt kru ksb kse ksi ksk ksl kso ksp ksr kss kst ksu ktb kte ktk ktl kto ktp ktr kts ktt ktu kub kue kui kuk kul kup kur kus kut kuu l-p lbb lbe lbi lbk lbl lbo lbp lbr lbs lbt lbu leb lee lei lek lel leo lep ler les let leu lib lie lii lik lil lio lip lir lis lit liu lkb lkl lkp lkr lks lkt llb lle lli llk lll llo llp llr lls llt llu lob loe loi lok lol loo lop lor los lot lou lpb lpe lpi lpk lpl lpo lpp lpr lps lpt lpu lrb lri lrk lro lrp lrr lrs lrt lru lsb lse lsi lsk lsl lso lsp lsr lss lst lsu ltb lte lti ltk ltl lto ltp ltr lts ltt ltu lub lue lui luk lul luo lup lur lus lut luu o-i ob- obb obe obi obk obl obo obp obr obs obt obu oeb oee oei oel oeo oep oer oes oet oib oie oii oik oil oio oip oir ois oit oiu okb oke oki okk okl oko okp okr oks oku olb ole oli olk oll olo olp ols olt olu oo- oob ooi ook ool ooo oop oor oos oot op- opb ope opi opk opl opo opp opr ops opt or- orb ore ori ork orl oro orp orr ors ort oru os- osb ose osi osk osl oso osp osr oss ost osu ot- otb ote oti otk otl oto otp otr ots ott otu ou- oue oui ouk oul ouo oup our ous out p-p pbb pbe pbi pbk pbl pbo pbp pbr pbs pbt pbu peb pee pei pek pel peo pep per pes pet peu pib pie pii pik pil pio pip pir pis pit piu pkb pke pki pkl pko pkp pkr pks pkt pku plb ple pli plk pll plo plp plr pls plt plu pob poe poi pok pol poo pop por pos pot pou ppb ppe ppi ppk ppl ppo ppp ppr pps ppt ppu prb pre pri prk prl pro prp prr prs prt pru ps- psb pse psi psk psl pso psp psr pss pst psu pt- ptb pte pti ptk ptl pto ptp ptr pts ptt ptu pub pue pui puk pul pup pur pus put puu rbb rbe rbi rbk rbl rbo rbp rbr rbs rbt rbu re- reb ree rei rek rel reo rep rer res ret reu rib rie rii rik ril rio rip rir ris rit rkb rke rkk rko rkp rks rkt rku rle rli rll rlo rlp rlr rls rlt rlu rob roe roi rok rol roo rop ror ros rot rou rpb rpe rpi rpk rpl rpo rpp rpr rps rpt rpu rrb rri rrk rrl rrp rrr rrs rrt rru rsb rse rsi rsk rsl rso rsp rsr rss rst rsu rtb rte rti rtk rtl rto rtp rtr rts rtt rtu rub rue rui ruk ruo rup rur rus rut ruu sbb sbe sbi sbk sbl sbo sbp sbr sbs sbt sbu se- seb see sei sek sel seo sep ser ses set seu sib sie sii sik sil sio sip sir sis sit siu sk- skb ske ski skk skl sko skp skr sks skt sku slb sle sli slk sll slo slp slr sls slt slu sob soe soi