-ic a-a a-b a-c a-i a-t aaa aab aac aaf aai aak aan aao aas aat aau ab- aba abb abc abf abi abk abn abo abs abt abu ac- aca acb acc acf aci ack acn aco acs act acu af- afa afb afc aff afi afk afn afo afs aft afu ai- aia aib aic aif aii aik ain aio ais ait aiu aka akb akc aki akk akn ako aks aku an- ana anb anc anf ani ank ann ano ans ant anu aoa aob aoc aof aoi aok aon aoo aos aot aou as- asa asb asc asf asi ask asn aso ass ast asu at- ata atb atc atf ati atn ato ats att atu au- aua aub auc auf aui auk aun auo aus aut b-u baa bab bac baf bai bak ban bao bas bat bau bba bbb bbc bbf bbi bbk bbn bbo bbs bbt bbu bca bcb bcc bcf bci bck bcn bco bcs bct bcu bfa bfb bfc bff bfi bfn bfo bfs bft bfu bi- bia bib bic bif bii bik bin bio bis bit biu bka bkb bkc bkf bkk bkn bko bks bkt bna bnb bnc bnf bni bnk bnn bno bns bnt bnu boa bob boc bof boi bok bon boo bos bot bou bsa bsb bsc bsf bsi bsk bsn bso bss bst bsu bta btb btc btf bti btk btn bto bts btt btu bua bub buc buf bui buk bun buo bus but buu c-- caa cab cac caf cai cak can cao cas cat cau cba cbb cbc cbf cbi cbk cbn cbo cbs cbt cbu cca ccb ccc ccf cci cck ccn cco ccs cct ccu cfa cfb cfc cff cfi cfk cfn cfo cfs cft cfu ci- cia cib cic cif cii cik cin cio cis cit ciu cka ckb ckc cki cko cks ckt cn- cna cnb cnc cnf cni cnn cno cns cnt cnu co- coa cob coc cof coi cok con coo cos cot cou csa csb csc csf csi csk csn cso css cst csu cta ctb ctc ctf cti ctk ctn cto cts ctt ctu cua cub cuc cuf cui cuk cun cuo cus cut cuu faa fab fac faf fai fak fan fao fas fat fau fba fbb fbc fbf fbi fbk fbn fbo fbs fbt fbu fca fcb fcc fcf fci fck fcn fco fcs fct fcu ffa ffc fff ffi ffk ffn ffo ffs fft ffu fia fib fic fif fii fik fin fis fit fiu fka fkb fkc fkf fki fkk fkt fna fnb fnc fnf fni fnk fnn fns fnt fnu foa fob foc fof foi fok fon foo fos fot fou fsa fsb fsc fsf fsi fsk fsn fso fss fst fsu fta ftb ftc ftf fti ftk ftn fto fts ftt ftu fua fub fuf fui fuk fun fuo fus fut fuu i-f ia- iaa iab iac iaf iai ian iao ias iat iau iba ibb ibc ibf ibi ibk ibn ibo ibs ibt ibu ica icb icc icf ici ick icn ico ics ict icu ifa ifb ifc iff ifi ifn ifo ifs ift ifu iia iib iic iif iii iin iio iis iit iiu ika ikb ikc ikf iki ikk iko iks ikt iku in- ina inb inc inf ini ink inn ino ins int inu io- ioa iob ioc iof ioi ion ioo ios iot iou is- isa isb isc isf isi isk isn iso iss ist isu ita itb itc itf iti itk itn ito its itt itu iu- iua iub iuc iui ius iut k-t ka- kaa kab kac kaf kai kak kan kao kas kat kau kba kbb kbc kbf kbi kbk kbn kbo kbs kbu kca kcb kcc kci kck kcn kcs kct kcu kfa kfc kff kfi kfo kfs kfu kia kib kic kif kii kik kin kio kis kit kiu kkb kkc kki kkk kkn kks kkt kku kn- kna knc knf kni knk knn kno knt knu koa kob koc kof koi kok kon koo kos kot kou ksa ksb ksc ksf ksi ksk ksn kso kss kst ksu kta ktb ktc ktf ktk ktn kto kts ktt ktu kub kuc kui kuk kun kus kut kuu n-i naa nab nac naf nai nak nan nao nas nat nau nba nbb nbc nbf nbi nbk nbn nbo nbs nbt nbu nca ncb ncc ncf nci nck ncn nco ncs nct ncu nfa nfb nfc nff nfi nfk nfn nfo nfs nft nfu nia nib nic nif nii nik nin nio nis nit niu nka nkc nkf nki nkk nkn nko nks nkt nku nna nnb nnc nnf nni nnk nnn nno nns nnt nnu no- noa nob noc nof noi nok non noo nos not nou nsa nsb nsc nsf nsi nsk nsn nso nss nst nsu nta ntb ntc ntf nti ntk ntn nto nts ntt ntu nua nub nuc nui nuk nun nuo nus nut nuu o-i oaa oab oac oaf oai oak oan oao oas oat oau ob- oba obb obc obf obi obk obn obo obs obt obu oc- oca ocb occ ocf oci ock ocn oco ocs oct ocu of- ofa ofb ofc off ofi ofn ofo ofs oft ofu oia oib oic oif oii oik oin oio ois oit oiu oka okb okc oki okk oko oks oku on- ona onb onc onf oni onk onn ono ons ont onu oo- ooa oob ooc oof ooi ook oon ooo oos oot os- osa osb osc osf osi osk osn oso oss ost osu ot- ota otb otc otf oti otk otn oto ots ott otu ou- oua ouc ouf oui ouk oun ouo ous out saa sab sac saf sai sak san sao sas sat sau sba sbb sbc sbf sbi sbk sbn sbo sbs sbt sbu sca scb scc scf sci sck scn sco scs sct scu sfa sfb sfc sff sfi sfk sfn sfo sfs sft sfu sia sib sic