-ic b-u bbb bbc bbi bbk bbn bbo bbr bbs bbt bbu bby bcb bcc bci bck bcn bco bcr bcs bct bcu bcy bi- bib bic bii bik bin bio bir bis bit biu biy bkb bkc bkk bkn bko bkr bks bkt bnb bnc bni bnk bnn bno bnr bns bnt bnu bob boc boi bok bon boo bor bos bot bou boy brb bri brk brn bro brr brs brt bru bry bsb bsc bsi bsk bsn bso bsr bss bst bsu bsy btb btc bti btk btn bto btr bts btt btu bty bub buc bui buk bun buo bur bus but buu buy by- byc byi byk byn byo byr bys byt byu c-- cbb cbc cbi cbk cbn cbo cbr cbs cbt cbu cby ccb ccc cci cck ccn cco ccr ccs cct ccu ci- cib cic cii cik cin cio cir cis cit ciu ckb ckc cki cko cks ckt cky cn- cnb cnc cni cnn cno cnr cns cnt cnu cny co- cob coc coi cok con coo cor cos cot cou coy crb crc cri crk crn cro crr crs crt cru cry csb csc csi csk csn cso csr css cst csu csy ctb ctc cti ctk ctn cto ctr cts ctt ctu cty cub cuc cui cuk cun cuo cur cus cut cuu cuy cyb cyc cyk cyn cyo cyr cys cyt ibb ibc ibi ibk ibn ibo ibr ibs ibt ibu iby icb icc ici ick icn ico icr ics ict icu icy iib iic iii iin iio iir iis iit iiu ikb ikc iki ikk iko ikr iks ikt iku in- inb inc ini ink inn ino inr ins int inu iny io- iob ioc ioi ion ioo ior ios iot iou ir- irb irc iri irk irn iro irr irs irt iru iry is- isb isc isi isk isn iso isr iss ist isu isy itb itc iti itk itn ito its itt itu ity iu- iub iuc iui iur ius iut iyc iyo iyr iys iyt iyy k-t kbb kbc kbi kbk kbn kbo kbr kbs kbu kcb kcc kci kck kcn kcr kcs kct kcu kib kic kii kik kin kio kir kis kit kiu kkb kkc kki kkk kkn kkr kks kkt kku kky kn- knc kni knk knn kno knr knt knu kob koc koi kok kon koo kor kos kot kou koy krc kri krk krn kro krr krs krt kru kry ksb ksc ksi ksk ksn kso ksr kss kst ksu ktb ktc ktk ktn kto ktr kts ktt ktu kub kuc kui kuk kun kur kus kut kuu kuy kyc kyn kyo kyr kys kyt kyu n-i nbb nbc nbi nbk nbn nbo nbr nbs nbt nbu ncb ncc nci nck ncn nco ncr ncs nct ncu nib nic nii nik nin nio nir nis nit niu nkc nki nkk nkn nko nkr nks nkt nku nky nnb nnc nni nnk nnn nno nns nnt nnu no- nob noc noi nok non noo nor nos not nou noy nrb nrc nri nrk nrn nro nrr nrs nrt nru nry nsb nsc nsi nsk nsn nso nsr nss nst nsu nsy ntb ntc nti ntk ntn nto ntr nts ntt ntu nub nuc nui nuk nun nuo nur nus nut nuu nuy nyc nyk nyn nyo nys nyt nyu nyy o-i ob- obb obc obi obk obn obo obr obs obt obu oby oc- ocb occ oci ock ocn oco ocr ocs oct ocu oib oic oii oik oin oio oir ois oit oiu okb okc oki okk oko okr oks oku on- onb onc oni onk onn ono onr ons ont onu ony oo- oob ooc ooi ook oon ooo oor oos oot or- orb orc ori ork orn oro orr ors ort oru ory os- osb osc osi osk osn oso osr oss ost osu ot- otb otc oti otk otn oto otr ots ott otu ou- ouc oui ouk oun ouo our ous out oyi oyo oys rbb rbc rbi rbk rbn rbo rbr rbs rbt rbu rcb rcc rci rcn rco rcr rcs rct rcu rib ric rii rik rin rio rir ris rit riy rkb rkc rkk rko rks rkt rku rky rnb rnc rni rnn rno rnr rns rnt rnu rny rob roc roi rok ron roo ror ros rot rou roy rrb rrc rri rrk rrn rrr rrs rrt rru rsb rsc rsi rsk rsn rso rsr rss rst rsu rtb rtc rti rtk rtn rto rtr rts rtt rtu rty rub ruc rui ruk run ruo rur rus rut ruu ruy ry- ryc ryk ryn ryo ryr rys ryu ryy sbb sbc sbi sbk sbn sbo sbr sbs sbt sbu sby scb scc sci sck scn sco scr scs sct scu sib sic sii sik sin sio sir sis sit siu sk- skb skc ski skk sko skr sks skt sku sky snb snc sni snk snn sno snr sns snt snu sny sob soc soi sok son soo sor sos sot sou soy sr- srb src sri srk srn sro srr srs srt sry ss- ssb ssc ssi ssk ssn sso ssr sss sst ssu stb stc sti stk stn sto str sts stt stu sty sub suc sui suk sun suo sur sus sut suu suy sy- syb syc syi syk syn syr sys syt syu tbb tbc tbi tbk tbn tbo tbr tbs tbt tbu tcb tcc tci tck tcn tco tcr tcs tct tcu tib tic tii tik tin tio tir tis tit tiu tiy tkb tkc tkk tko tkr tks tkt tky tnb tnc tni tnk tnn tno tnr tns tnt to- tob toc toi tok ton too tor tos tot tou toy trb trc tri trk trn tro trr trs trt tru try tsb tsc tsi tsk tsn tso tsr tss tst tsu tsy ttb ttc tti ttk ttn tto ttr tts ttt ttu tty tub tuc tui tuk tun tuo tur tus tut tuu tuy