a-a a-b a-i a-t a-z aaa aab aai aak aao aar aas aat aaz ab- aba abb abi abk abo abr abs abt abz ai- aia aib aii aik aio air ais ait aiz aka akb aki akk ako akr aks aoa aob aoi aok aoo aor aos aot ar- ara arb ari ark aro arr ars art arz as- asa asb asi ask aso asr ass ast asz at- ata atb ati ato atr ats att atz az- aza azb azi azo azs azt azz baa bab bai bak bao bar bas bat baz bba bbb bbi bbk bbo bbr bbs bbt bi- bia bib bii bik bio bir bis bit biz bka bkb bkk bko bkr bks bkt boa bob boi bok boo bor bos bot boz bra brb bri brk bro brr brs brt brz bsa bsb bsi bsk bso bsr bss bst bta btb bti btk bto btr bts btt btz bza bzo bzr bzs bzz ia- iaa iab iai iao iar ias iat iaz iba ibb ibi ibk ibo ibr ibs ibt ibz iia iib iii iio iir iis iit ika ikb iki ikk iko ikr iks ikt io- ioa iob ioi ioo ior ios iot ir- ira irb iri irk iro irr irs irt is- isa isb isi isk iso isr iss ist ita itb iti itk ito its itt itz iza izi izo izz k-t k-z ka- kaa kab kai kak kao kar kas kat kaz kba kbb kbi kbk kbo kbr kbs kbz kia kib kii kik kio kir kis kit kiz kkb kki kkk kkr kks kkt koa kob koi kok koo kor kos kot koz kra kri krk kro krr krs krt ksa ksb ksi ksk kso ksr kss kst kta ktb ktk kto ktr kts ktt kzo o-i oaa oab oai oak oao oar oas oat ob- oba obb obi obk obo obr obs obt oia oib oii oik oio oir ois oit oiz oka okb oki okk oko okr oks oo- ooa oob ooi ook ooo oor oos oot or- ora orb ori ork oro orr ors ort orz os- osa osb osi osk oso osr oss ost ot- ota otb oti otk oto otr ots ott otz oza ozo ozs ozt ozz ra- raa rab rai rak rao rar ras rat raz rba rbb rbi rbk rbo rbr rbs rbt ria rib rii rik rio rir ris rit riz rkb rkk rko rks rkt rkz roa rob roi rok roo ror ros rot roz rra rrb rri rrk rrr rrs rrt rsa rsb rsi rsk rso rsr rss rst rta rtb rti rtk rto rtr rts rtt rtz rza rzb rzo saa sab sai sak sao sar sas sat saz sba sbb sbi sbk sbo sbr sbs sbt sia sib sii sik sio sir sis sit sk- ska skb ski skk sko skr sks skt soa sob soi sok soo sor sos sot soz sr- sra srb sri srk sro srr srs srt ss- ssa ssb ssi ssk sso ssr sss sst ssz sta stb sti stk sto str sts stt stz sza szi szr taa tab tai tak tao tar tas tat taz tba tbb tbi tbk tbo tbr tbs tbt tbz tia tib tii tik tio tir tis tit tiz tka tkb tkk tko tkr tks tkt tkz to- toa tob toi tok too tor tos tot toz tra trb tri trk tro trr trs trt trz tsa tsb tsi tsk tso tsr tss tst tta ttb tti ttk tto ttr tts ttt tza tzs zaa zab zai zak zao zar zas zat zaz zbb zbr zbs zbt zia zib zik zio zir zis zit ziz zka zks zo- zoa zob zoi zok zoo zor zos zot zro zrs zsa zsi zst zsz zta ztr zzr zzs zzt zzz

a-ak a-ii a-ok aaaa aaab aaai aaar aaas aaba aabb aabi aabt aaib aaii aais aaka aaoo aara aari aaro aars aart aasa aasi aass aast aata aatk aatt abaa abab abai abak abar abas abat abb- abba abbb abbi abbo abbr abbs abbt abia abib abir abis abit aboa abob abok aboo abor abos abot abra abri abro abrs abs- absa absi abss abta abts abza aiai aias aiba aibo aiia aiib aiir aika aiki aiko aiks aioi aira airi airo airs airt aisa aisb aisi aisk aiso aisr aist aita aiti aitr aits aitt aiza aizi akaa akai akao akar akas akia akik akio akir akis akka akki akko akok akos akot akr- akra aksa aksi akst aoba aoki aoks aora aorb aors aort aoss arab arai arak arar aras arat arba arbi arbs aria arib arii arik ario aris arit ariz arka arki arko arks aroa arob aroi aroo aror aros aroz arr- arra arri arrk arro arrr arrs arrt ars- arsa arsi arsk arso arst arta arti arto artr arts artz arza arzo asaa asab asai asak asao asar asas asat asba asbo asia asii asik asio asir asis asit aska aski asko askr asks askt asob asoi asok asor asos asot asra asro asrs assa assi assk asso assr asss asst asta astb asti asto astr asts at-t ataa atab atai atak atar atas atat atbs atia atik atis atit atka atkt atob atoi atok ator atos atot atoz atra atri atrk atro atsb atsi atst atta atti atto attr atts aza- azab azai azar azas azat azaz azia azis aziz azki azo- azoi azoo azor azos azot azra azza azzi azzo ba-i baaa baak baar baas baat baaz baba babb babi babo babr babs baia baib baik baio bair bais bait bak- baka baki bako bakr baks bakt baos bar- bara barb bari bark baro barr bars bart barz basa basi bask baso bass bast bata bati bato bats batt batz baza bazi bazo bbas bbbb bbbs biak biao biar bias biat biba bibb bibi bibo bibs biis biko bio- bioi bios biot bira birb biri birk biro birr birs birt bis- bisa bisk biso biss bist bita bito bits