-ic b-u bbb bbc bbg bbi bbl bbn bbr bbu bcb bcc bcg bci bcl bcn bcr bcu bgb bgc bgg bgi bgl bgn bgr bgu bi- bib bic big bii bil bin bir biu blb blc blg bli bll bln blr blu bnb bnc bng bni bnl bnn bnr bnu brb brg bri brl brn brr bru bub buc bug bui bul bun bur buu c-- cbb cbc cbg cbi cbl cbn cbr cbu ccb ccc ccg cci ccl ccn ccr ccu cgb cgc cgg cgi cgl cgn cgr cgu ci- cib cic cig cii cil cin cir ciu cl- clb clc clg cli cll cln clr clu cn- cnb cnc cng cni cnl cnn cnr cnu crb crc crg cri crl crn crr cru cub cuc cug cui cul cun cur cuu gbc gbg gbi gbl gbn gbr gbu gcb gcc gcg gci gcl gcn gcr gcu ggb ggc ggg ggi ggn ggr ggu gib gic gig gii gil gin gir giu glb glc glg gli gll gln glr glu gnb gnc gni gnl gnn gnr gnu grb grc grg gri grl grn grr gru gu- gub guc gug gui gul gun gur guu ibb ibc ibg ibi ibl ibn ibr ibu icb icc icg ici icl icn icr icu igb igc igg igi igl ign igr igu iib iic iii iil iin iir iiu il- ilb ilc ilg ili ill iln ilr ilu in- inb inc ing ini inl inn inr inu ir- irb irc irg iri irl irn irr iru iu- iub iuc iug iui iur lbb lbc lbg lbi lbl lbr lbu lcb lcc lcg lci lcl lcn lcr lcu lgb lgc lgg lgi lgl lgn lgr lgu lib lic lig lii lil lin lir liu llb llc llg lli lll lln llr llu lnb lnc lng lni lnl lnn lnr lnu lrb lrc lrg lri lrn lrr lru lub luc lug lui lul lun lur luu n-i nbb nbc nbg nbi nbl nbn nbr nbu ncb ncc ncg nci ncl ncn ncr ncu ngb ngc ngg ngi ngl ngn ngu nib nic nig nii nil nin nir niu nlb nlc nlg nli nll nln nlr nlu nnb nnc nng nni nnl nnn nnu nrb nrc nrg nri nrl nrn nrr nru nub nuc nug nui nul nun nur nuu rbb rbc rbg rbi rbl rbn rbr rbu rcb rcc rcg rci rcl rcn rcr rcu rgb rgc rgg rgi rgn rgr rib ric rig rii ril rin rir rlc rlg rli rll rln rlr rlu rnb rnc rng rni rnn rnr rnu rrb rrc rrg rri rrl rrn rrr rru rub ruc rug rui run rur ruu ubb ubc ubg ubi ubl ubn ubr ubu ucb ucc ucg uci ucl ucn ucr ucu ugb ugc ugg ugi ugl ugn ugr ugu uib uic uig uii uil uin uir uiu ulb ulc ulg uli ull uln ulr ulu un- unb unc ung uni unl unn unr unu ur- urb urc urg uri url urn urr uru uuc uug uun uur uuu

-ing bbbb bbci bbin bblb bbng bbrc bbrg bcbc bcbg bccc bcci bccl bcnu bcru bcuc bgun bibb bibi bibl bicc bicg bici bigb bigc bigg bign bigu biin bili bill bilu bin- binc bing bini binn binu birb birg biri birl birn birr biru blcu blic blin blir blni blrc blrg blub blur bnib bnin bnrr brcb bric brig bril brin brrr bruc brug brun bubb bubi bubu bucc buci bucu bugg bugi buic buin buir buiu bulb bulg buli bull bulu bunb bung buni bunn bunu bur- burb burg buri burl burn burr buru cbbc cbcc cbcl cbcn cbcr cbcu cbgb cbir cblb cblc cbln cbrl cbrn ccbc ccbn cccb cccc ccci cccl cccu ccgc ccic ccii ccil ccir cclc cclg ccli ccnb ccnc ccni ccnr ccnu ccrc ccrg ccri ccrl ccuc cgcc cgcg cibc cibi cicc cici cicr cicu cigi cigu ciii cili cill cin- cinc cing cini cirb circ ciri cirl cirr ciuc clib clic clig clii clin clir clri club clun cnbc cnbl cnci cngi cnib cnic cnrc cnrr crbc crbu crcc crcr crib cric crig crin criu crub crug crun cub- cubb cubi cucc cuci cucn cui- cuil cuin cuir culb culc cull curb curi curl curn curr gc-c gcbc gccc gcic gcii gclc gcrg ggcl gggg ggrn gibb gicr gigg gigi gign gilg gili gill ging gini ginn ginu girg giri girl girn girr giru giur glbc glcc gli- glib glic glin glrb glub glug glui glun glur gncc gngc gnib gnin gnrc gnrr grbr grcc grib gric grig gril grin grni grrl grrr grub grug grui grun grur gubb gubi gubu guci gugb gugg gugi gugu guib guil guin gulb guli gull gulu gung gunn gurb gurg guri gurl gurn gurr guru ibrc ibri icbc iccb iccc icci iccl iccn iccr iccu icgc icll iclr icnb icnc icrc icrr icru icub igbc igcc igil igli iglu igni ignu igri iiii iirc iiuc ilbc ilic ilin ilir ill- illi ilni incb inci incl incr inig inni innr innu inri inui inul inun ircc ircg ircu iri- iric irig iril irin irlb irrc irri irul irun iucc iuiu lbcc lblr lbug lcbc lccc lcrg lcrl lgbu lgin libc libr libu licr ligc ligg ligi lign liig liii liin liir lilb lilg lili lill lilu linc ling linn lirc lirg liri lirl lirn lirr liru liun llcc llgc lllc llll lncr lrgb lric lrrc lrrr luci lugg lugi lugu luin luli lull lulu lung luni lunn lurg luri n-ii nbbc nbcc nbci nbic ncbc ncbi nccc ncci nccn nccr nccu ncgr nclc ncln nclr ncnc ncrc ncri ngic ngri ngur nguu nibi nicc nici nicl nicu nigc nigg niir niiu nili nill nilu ning nini ninl niru niur nlcc nlgn nlic nlrb nngn nnnn nric nrlb nrrc nrrl nubc nubi nubl nuci nucu nuin nuli null nunc nung nunn nurc nuri nurl nurn nurr nuru rbbb rbbr rbcl rcbc rccb rccc rcgc rcic rcnl rcnr rcrg rgbi rib- ribu