-er -ic -ji bbb bbc bbe bbg bbi bbn bbo bbr bbt bcb bcc bce bcg bci bcj bcn bco bcr bct be- beb bec bee beg bei ben beo ber bet bgb bgc bge bgg bgi bgn bgo bgr bgt bi- bib bic bie big bii bij bin bio bir bit bjc bjg bji bjj bjn bjr bjt bnb bnc bne bng bni bnj bnn bno bnr bnt bob boc boe bog boi boj bon boo bor bot brb bre brg bri brj brn bro brr brt btb btc bte btg bti btn bto btr btt c-- c-j cbb cbc cbe cbg cbi cbj cbn cbo cbr cbt ccb ccc cce ccg cci ccj ccn cco ccr cct ce- ceb cec cee ceg cei cej cen ceo cer cet cgb cgc cge cgg cgi cgn cgo cgr cgt ci- cib cic cie cig cii cij cin cio cir cit cjb cjc cjg cjr cn- cnb cnc cne cng cni cnj cnn cno cnr cnt co- cob coc coe cog coi coj con coo cor cot crb crc cre crg cri crj crn cro crr crt ctb ctc cte ctg cti ctn cto ctr ctt ebb ebc ebe ebg ebi ebj ebn ebo ebr ebt ec- ecb ecc ece ecg eci ecj ecn eco ecr ect eeb eec eee eeg een eeo eer eet egb egc ege egg egi egn ego egr egt eib eic eie eig eii eij ein eio eir eit ejc eji ejo ejt en- enb enc ene eng eni enn eno enr ent eo- eob eoc eoe eog eoi eon eoo eor eot erb erc ere erg eri ern ero err ert etb etc ete etg eti etj etn eto etr ett gbc gbe gbg gbi gbj gbn gbo gbr gbt gcb gcc gce gcg gci gcn gco gcr gct ge- geb gec gee geg gei gen geo ger get ggb ggc ggg ggi ggj ggn ggo ggr ggt gib gic gie gig gii gij gin gio gir git gjc gje gjg gjr gjt gnb gnc gne gni gnn gno gnr gnt gob goc goe gog goi gon goo gor got grb grc gre grg gri grj grn gro grr grt gtb gtc gte gtg gti gtn gto gtr gtt ibb ibc ibe ibg ibi ibj ibn ibo ibr ibt icb icc ice icg ici icj icn ico icr ict ie- iec iee ieg iei iej ien ier iet igb igc ige igg igi ign igo igr igt iib iic iie iii iij iin iio iir iit ijb ijc ije ijg iji ijn ijo ijt in- inb inc ine ing ini inj inn ino inr int io- iob ioc ioe iog ioi ioj ion ioo ior iot ir- irb irc ire irg iri irj irn iro irr irt itb itc ite itg iti itj itn ito itt j-i jbc jbg jbi jbj jbo jbr jbt jcb jcc jce jci jco jcr jct jeb jec jee jeg jei jej jen jeo jer jet jgb jge jgi jgn jgo jgr jgt jib jic jie jig jii jij jin jio jir jit jjb jjc jjg jjj jjr jnc jne jng jnj jnn jno jnr jnt job joc joe jog joi joj jon joo jor jot jrb jrc jrg jri jrn jro jrr jrt jtb jtc jte jtg jti jtn jtr jtt n-i nbb nbc nbe nbg nbi nbn nbo nbr nbt ncb ncc nce ncg nci ncn nco ncr nct ne- neb nec nee neg nei nej nen neo ner net ngb ngc nge ngg ngi ngj ngn ngo ngt nib nic nie nig nii nin nio nir nit njc nje njn nnb nnc nne nng nni nnn nno nnt no- nob noc noe nog noi noj non noo nor not nrb nrc nre nrg nri nrj nrn nro nrr nrt ntb ntc nte ntg nti ntn nto ntr ntt o-i ob- obb obc obe obg obi obj obn obo obr obt oc- ocb occ ocg oci ocj ocn oco ocr oct oeb oec oee oeg oei oen oeo oer oet ogc oge ogg ogi ogn ogo ogt oib oic oie oii oin oio oir oit ojb ojc oje oji ojo on- onb onc one ong oni onj onn ono onr ont oo- oob ooc oog ooi oon ooo oor oot or- orb orc ore org ori orn oro orr ort ot- otb otc ote otg oti otn oto otr ott rbb rbc rbe rbg rbi rbn rbo rbr rbt rcb rcc rce rcg rci rcj rcn rco rcr rct re- reb rec ree reg rei ren reo rer ret rgb rgc rge rgg rgi rgn rgo rgr rgt rib ric rie rig rii rin rio rir rit rjc rjg rjr rnb rnc rng rni rnn rno rnr rnt rob roc roe rog roi roj ron roo ror rot rrb rrc rrg rri rrn rrr rrt rtb rtc rte rtg rti rtj rtn rto rtr rtt tbb tbc tbe tbg tbi tbj tbn tbo tbr tbt tcb tcc tce tcg tci tcj tcn tco tcr tct te- teb tec tee teg tei tej ten teo ter tet tgb tgc tge tgg tgi tgn tgo tgr tgt tib tic tie tig tii tin tio tir tit tjc tje tji tjo tjr tnb tnc tne tng tni tnn tno tnr tnt to- tob toc toe tog toi toj ton too tor tot trb trc tre trg tri trn tro trr trt ttb ttc tte ttg tti ttn tto ttr ttt