-ic a-a a-b a-c a-i aaa aab aac aag aai aak aan aao aar aas aau ab- aba abb abc abg abi abk abn abo abr abs abu ac- aca acb acc acg aci ack acn aco acr acs acu ag- aga agb agc agg agi agk agn ago agr ags agu ai- aia aib aic aig aii aik ain aio air ais aiu aka akb akc akg aki akk akn ako akr aks aku an- ana anb anc ang ani ank ann ano anr ans anu aoa aob aoc aog aoi aok aon aoo aor aos aou ar- ara arb arc arg ari ark arn aro arr ars aru as- asa asb asc asg asi ask asn aso asr ass asu au- aua aub auc aug aui auk aun auo aur aus b-u baa bab bac bag bai bak ban bao bar bas bau bba bbb bbc bbg bbi bbk bbn bbo bbr bbs bbu bca bcb bcc bcg bci bck bcn bco bcr bcs bcu bga bgb bgc bgg bgi bgk bgn bgo bgr bgs bgu bi- bia bib bic big bii bik bin bio bir bis biu bka bkb bkc bkg bkk bkn bko bkr bks bna bnb bnc bng bni bnk bnn bno bnr bns bnu boa bob boc bog boi bok bon boo bor bos bou bra brb brg bri brk brn bro brr brs bru bsa bsb bsc bsg bsi bsk bsn bso bsr bss bsu bua bub buc bug bui buk bun buo bur bus buu c-- caa cab cac cag cai cak can cao car cas cau cba cbb cbc cbg cbi cbk cbn cbo cbr cbs cbu cca ccb ccc ccg cci cck ccn cco ccr ccs ccu cga cgb cgc cgg cgi cgn cgo cgr cgs cgu ci- cia cib cic cig cii cik cin cio cir cis ciu cka ckb ckc cki cko cks cn- cna cnb cnc cng cni cnn cno cnr cns cnu co- coa cob coc cog coi cok con coo cor cos cou cra crb crc crg cri crk crn cro crr crs cru csa csb csc csg csi csk csn cso csr css csu cua cub cuc cug cui cuk cun cuo cur cus cuu gaa gab gac gag gai gak gan gao gar gas gau gba gbc gbg gbi gbk gbn gbo gbr gbs gbu gca gcb gcc gcg gci gck gcn gco gcr gcs gcu gga ggb ggc ggg ggi ggn ggo ggr ggs ggu gia gib gic gig gii gik gin gio gir gis giu gka gkb gkn gko gks gna gnb gnc gni gnn gno gnr gns gnu goa gob goc gog goi gok gon goo gor gos gou gra grb grc grg gri grk grn gro grr grs gru gsa gsb gsc gsg gsi gsk gsn gso gsr gss gsu gu- gua gub guc gug gui guk gun guo gur gus guu ia- iaa iab iac iag iai ian iao iar ias iau iba ibb ibc ibg ibi ibk ibn ibo ibr ibs ibu ica icb icc icg ici ick icn ico icr ics icu iga igb igc igg igi igk ign igo igr igs igu iia iib iic iii iin iio iir iis iiu ika ikb ikc iki ikk iko ikr iks iku in- ina inb inc ing ini ink inn ino inr ins inu io- ioa iob ioc iog ioi ion ioo ior ios iou ir- ira irb irc irg iri irk irn iro irr irs iru is- isa isb isc isg isi isk isn iso isr iss isu iu- iua iub iuc iug iui iur ius ka- kaa kab kac kag kai kak kan kao kar kas kau kba kbb kbc kbi kbk kbn kbo kbr kbs kbu kca kcb kcc kcg kci kck kcn kcr kcs kcu kga kgb kgc kgi kgo kgs kgu kia kib kic kig kii kik kin kio kir kis kiu kkb kkc kki kkk kkn kkr kks kku kn- kna knc kng kni knk knn kno knr knu koa kob koc kog koi kok kon koo kor kos kou kra krc krg kri krk krn kro krr krs kru ksa ksb ksc ksg ksi ksk ksn kso ksr kss ksu kub kuc kug kui kuk kun kur kus kuu n-i naa nab nac nag nai nak nan nao nar nas nau nba nbb nbc nbg nbi nbk nbn nbo nbr nbs nbu nca ncb ncc ncg nci nck ncn nco ncr ncs ncu nga ngb ngc ngg ngi ngk ngn ngo ngs ngu nia nib nic nig nii nik nin nio nir nis niu nka nkc nki nkk nkn nko nkr nks nku nna nnb nnc nng nni nnk nnn nno nns nnu no- noa nob noc nog noi nok non noo nor nos nou nra nrb nrc nrg nri nrk nrn nro nrr nrs nru nsa nsb nsc nsg nsi nsk nsn nso nsr nss nsu nua nub nuc nug nui nuk nun nuo nur nus nuu o-i oaa oab oac oag oai oak oan oao oar oas oau ob- oba obb obc obg obi obk obn obo obr obs obu oc- oca ocb occ ocg oci ock ocn oco ocr ocs ocu oga ogc ogg ogi ogn ogo ogs oia oib oic oii oik oin oio oir ois oiu oka okb okc okg oki okk oko okr oks oku on- ona onb onc ong oni onk onn ono onr ons onu oo- ooa oob ooc oog ooi ook oon ooo oor oos or- ora orb orc org ori ork orn oro orr ors oru os- osa osb osc osg osi osk osn oso osr oss osu ou- oua ouc oui ouk oun ouo our ous ra- raa rab rac rag rai rak ran rao rar ras rau rba rbb rbc rbg rbi rbk rbn rbo rbr rbs rbu rca rcb rcc rcg rci rcn rco rcr rcs rcu rga rgb rgc rgg rgi rgk rgn rgo rgr rgs ria rib ric rig rii rik rin rio rir ris