-er -ic -up b-p b-u bbb bbc bbe bbi bbn bbo bbp bbr bbt bbu bcb bcc bce bci bcn bco bcp bcr bct bcu be- beb bec bee bei ben beo bep ber bet beu bi- bib bic bie bii bin bio bip bir bit biu bnb bnc bne bni bnn bno bnp bnr bnt bnu bob boc boe boi bon boo bop bor bot bou bpb bpc bpe bpi bpn bpo bpp bpr bpt bpu brb bre bri brn bro brp brr brt bru btb btc bte bti btn bto btp btr btt btu bub buc bue bui bun buo bup bur but buu c-- cbb cbc cbe cbi cbn cbo cbp cbr cbt cbu ccb ccc cce cci ccn cco ccp ccr cct ccu ce- ceb cec cee cei cen ceo cep cer cet ceu ci- cib cic cie cii cin cio cip cir cit ciu cn- cnb cnc cne cni cnn cno cnp cnr cnt cnu co- cob coc coe coi con coo cop cor cot cou cpb cpc cpe cpi cpn cpo cpp cpr cpt cpu crb crc cre cri crn cro crp crr crt cru ctb ctc cte cti ctn cto ctp ctr ctt ctu cub cuc cue cui cun cuo cup cur cut cuu ebb ebc ebe ebi ebn ebo ebp ebr ebt ebu ec- ecb ecc ece eci ecn eco ecr ect ecu eeb eec eee een eeo eep eer eet eib eic eie eii ein eio eip eir eit eiu en- enb enc ene eni enn eno enp enr ent enu eo- eob eoc eoe eoi eon eoo eop eor eot eou ep- epb epc epe epi epn epo epp epr ept epu erb erc ere eri ern ero erp err ert eru etb etc ete eti etn eto etp etr ett etu eu- eub euc eue eui eun eup eur eut ibb ibc ibe ibi ibn ibo ibp ibr ibt ibu icb icc ice ici icn ico icp icr ict icu ie- iec iee iei ien iep ier iet iib iic iie iii iin iio iip iir iit iiu in- inb inc ine ini inn ino inp inr int inu io- iob ioc ioe ioi ion ioo iop ior iot iou ipb ipc ipe ipi ipn ipo ipp ipr ipt ipu ir- irb irc ire iri irn iro irp irr irt iru itb itc ite iti itn ito itp itt itu iu- iub iuc iue iui iup iur iut n-i nbb nbc nbe nbi nbn nbo nbp nbr nbt nbu ncb ncc nce nci ncn nco ncp ncr nct ncu ne- neb nec nee nei nen neo nep ner net neu nib nic nie nii nin nio nip nir nit niu nnb nnc nne nni nnn nno nnp nnt nnu no- nob noc noe noi non noo nop nor not nou npb npc npe npi npn npo npp npr npt npu nrb nrc nre nri nrn nro nrp nrr nrt nru ntb ntc nte nti ntn nto ntp ntr ntt ntu nub nuc nue nui nun nuo nup nur nut nuu o-i ob- obb obc obe obi obn obo obp obr obt obu oc- ocb occ oci ocn oco ocp ocr oct ocu oeb oec oee oei oen oeo oep oer oet oib oic oie oii oin oio oip oir oit oiu on- onb onc one oni onn ono onp onr ont onu oo- oob ooc ooi oon ooo oop oor oot op- opb opc ope opi opn opo opp opr opt or- orb orc ore ori orn oro orp orr ort oru ot- otb otc ote oti otn oto otp otr ott otu ou- ouc oue oui oun ouo oup our out p-p pbb pbc pbe pbi pbn pbo pbp pbr pbt pbu pcb pcc pce pci pcn pco pcp pcr pct pcu peb pec pee pei pen peo pep per pet peu pib pic pie pii pin pio pip pir pit piu pn- pnb pnc pne pni pnn pno pnp pnr pnt pnu pob poc poe poi pon poo pop por pot pou ppb ppc ppe ppi ppn ppo ppp ppr ppt ppu prb prc pre pri prn pro prp prr prt pru pt- ptb ptc pte pti ptn pto ptp ptr ptt ptu pub puc pue pui pun pup pur put puu rbb rbc rbe rbi rbn rbo rbp rbr rbt rbu rcb rcc rce rci rcn rco rcp rcr rct rcu re- reb rec ree rei ren reo rep rer ret reu rib ric rie rii rin rio rip rir rit rnb rnc rni rnn rno rnp rnr rnt rnu rob roc roe roi ron roo rop ror rot rou rpb rpc rpe rpi rpn rpo rpp rpr rpt rpu rrb rrc rri rrn rrp rrr rrt rru rtb rtc rte rti rtn rto rtp rtr rtt rtu rub ruc rue rui run ruo rup rur rut ruu tbb tbc tbe tbi tbn tbo tbp tbr tbt tbu tcb tcc tce tci tcn tco tcp tcr tct tcu te- teb tec tee tei ten teo tep ter tet teu tib tic tie tii tin tio tip tir tit tiu tnb tnc tne tni tnn tno tnp tnr tnt to- tob toc toe toi ton too top tor tot tou tpb tpc tpe tpi tpn tpo tpp tpr tpt tpu trb trc tre tri trn tro trp trr trt tru ttb ttc tte tti ttn tto ttp ttr ttt ttu tub tuc tue tui tun tuo tup tur tut tuu ubb ubc ube ubi ubn ubo ubp ubr ubt ubu ucb ucc uce uci ucn uco ucp ucr uct ucu ueb uec uee uei uen uep uer uet uib uic uie uii uin uio uip uir uit uiu un- unb unc une uni unn uno unp unr unt unu uob uoc uoe uon uoo uop uor uot up- upb upc upe upi upn upo upp upr upt upu ur- urb urc ure uri urn uro urp urr urt uru utb utc ute uti utn uto utp utr