-ic a-a a-b a-c a-i a-t aaa aab aac aag aai aak aan aao aas aat aau ab- aba abb abc abg abi abk abn abo abs abt abu ac- aca acb acc acg aci ack acn aco acs act acu ag- aga agb agc agg agi agk agn ago ags agt agu ai- aia aib aic aig aii aik ain aio ais ait aiu aka akb akc akg aki akk akn ako aks aku an- ana anb anc ang ani ank ann ano ans ant anu aoa aob aoc aog aoi aok aon aoo aos aot aou as- asa asb asc asg asi ask asn aso ass ast asu at- ata atb atc atg ati atn ato ats att atu au- aua aub auc aug aui auk aun auo aus aut b-u baa bab bac bag bai bak ban bao bas bat bau bba bbb bbc bbg bbi bbk bbn bbo bbs bbt bbu bca bcb bcc bcg bci bck bcn bco bcs bct bcu bga bgb bgc bgg bgi bgk bgn bgo bgs bgt bgu bi- bia bib bic big bii bik bin bio bis bit biu bka bkb bkc bkg bkk bkn bko bks bkt bna bnb bnc bng bni bnk bnn bno bns bnt bnu boa bob boc bog boi bok bon boo bos bot bou bsa bsb bsc bsg bsi bsk bsn bso bss bst bsu bta btb btc btg bti btk btn bto bts btt btu bua bub buc bug bui buk bun buo bus but buu c-- caa cab cac cag cai cak can cao cas cat cau cba cbb cbc cbg cbi cbk cbn cbo cbs cbt cbu cca ccb ccc ccg cci cck ccn cco ccs cct ccu cga cgb cgc cgg cgi cgn cgo cgs cgt cgu ci- cia cib cic cig cii cik cin cio cis cit ciu cka ckb ckc cki cko cks ckt cn- cna cnb cnc cng cni cnn cno cns cnt cnu co- coa cob coc cog coi cok con coo cos cot cou csa csb csc csg csi csk csn cso css cst csu cta ctb ctc ctg cti ctk ctn cto cts ctt ctu cua cub cuc cug cui cuk cun cuo cus cut cuu gaa gab gac gag gai gak gan gao gas gat gau gba gbc gbg gbi gbk gbn gbo gbs gbt gbu gca gcb gcc gcg gci gck gcn gco gcs gct gcu gga ggb ggc ggg ggi ggn ggo ggs ggt ggu gia gib gic gig gii gik gin gio gis git giu gka gkb gkn gko gks gkt gna gnb gnc gni gnn gno gns gnt gnu goa gob goc gog goi gok gon goo gos got gou gsa gsb gsc gsg gsi gsk gsn gso gss gst gsu gta gtb gtc gtg gti gtk gtn gto gts gtt gtu gu- gua gub guc gug gui guk gun guo gus gut guu ia- iaa iab iac iag iai ian iao ias iat iau iba ibb ibc ibg ibi ibk ibn ibo ibs ibt ibu ica icb icc icg ici ick icn ico ics ict icu iga igb igc igg igi igk ign igo igs igt igu iia iib iic iii iin iio iis iit iiu ika ikb ikc iki ikk iko iks ikt iku in- ina inb inc ing ini ink inn ino ins int inu io- ioa iob ioc iog ioi ion ioo ios iot iou is- isa isb isc isg isi isk isn iso iss ist isu ita itb itc itg iti itk itn ito its itt itu iu- iua iub iuc iug iui ius iut k-t ka- kaa kab kac kag kai kak kan kao kas kat kau kba kbb kbc kbi kbk kbn kbo kbs kbu kca kcb kcc kcg kci kck kcn kcs kct kcu kga kgb kgc kgi kgo kgs kgu kia kib kic kig kii kik kin kio kis kit kiu kkb kkc kki kkk kkn kks kkt kku kn- kna knc kng kni knk knn kno knt knu koa kob koc kog koi kok kon koo kos kot kou ksa ksb ksc ksg ksi ksk ksn kso kss kst ksu kta ktb ktc ktg ktk ktn kto kts ktt ktu kub kuc kug kui kuk kun kus kut kuu n-i naa nab nac nag nai nak nan nao nas nat nau nba nbb nbc nbg nbi nbk nbn nbo nbs nbt nbu nca ncb ncc ncg nci nck ncn nco ncs nct ncu nga ngb ngc ngg ngi ngk ngn ngo ngs ngt ngu nia nib nic nig nii nik nin nio nis nit niu nka nkc nki nkk nkn nko nks nkt nku nna nnb nnc nng nni nnk nnn nno nns nnt nnu no- noa nob noc nog noi nok non noo nos not nou nsa nsb nsc nsg nsi nsk nsn nso nss nst nsu nta ntb ntc ntg nti ntk ntn nto nts ntt ntu nua nub nuc nug nui nuk nun nuo nus nut nuu o-i oaa oab oac oag oai oak oan oao oas oat oau ob- oba obb obc obg obi obk obn obo obs obt obu oc- oca ocb occ ocg oci ock ocn oco ocs oct ocu oga ogc ogg ogi ogn ogo ogs ogt oia oib oic oii oik oin oio ois oit oiu oka okb okc okg oki okk oko oks oku on- ona onb onc ong oni onk onn ono ons ont onu oo- ooa oob ooc oog ooi ook oon ooo oos oot os- osa osb osc osg osi osk osn oso oss ost osu ot- ota otb otc otg oti otk otn oto ots ott otu ou- oua ouc oui ouk oun ouo ous out saa sab sac sag sai sak san sao sas sat sau sba sbb sbc sbg sbi sbk sbn sbo sbs sbt sbu sca scb scc scg sci sck scn sco scs sct scu sga sgb sgc sgg sgi sgk sgn sgo sgs sgt sgu sia sib sic sig sii sik