-th a-a a-b a-i a-t aaa aab aaf aah aai aao aar aat aax ab- aba abb abf abh abi abo abr abt abx af- afa afb aff afh afi afo afr aft afx aha ahb ahf ahh ahi aho ahr aht ahx ai- aia aib aif aih aii aio air ait aix aoa aob aof aoh aoi aoo aor aot aox ar- ara arb arf arh ari aro arr art arx at- ata atb atf ath ati ato atr att atx ax- axa axh axi axo axr axt axx baa bab baf bah bai bao bar bat bax bba bbb bbf bbh bbi bbo bbr bbt bbx bfa bfb bff bfh bfi bfo bfr bft bfx bha bhb bhf bhh bhi bho bhr bht bhx bi- bia bib bif bih bii bio bir bit bix boa bob bof boh boi boo bor bot box bra brb brf brh bri bro brr brt brx bta btb btf bth bti bto btr btt btx bxb bxi bxo bxx faa fab faf fah fai fao far fat fax fba fbb fbf fbh fbi fbo fbr fbt fbx ffa fff ffh ffi ffo ffr fft ffx fha fhb fhf fhh fhi fho fhr fia fib fif fih fii fir fit fix foa fob fof foh foi foo for fot fox fra frb frf frh fri fro frr frt fta ftb ftf fth fti fto ftr ftt ftx fxi fxr fxt fxx h-i haa hab haf hah hai hao har hat hax hba hbb hbf hbh hbi hbo hbr hbt hbx hfa hfb hff hfh hfi hfo hfr hft hha hhb hhf hhh hhi hho hhr hht hia hib hif hih hii hio hir hit hix hoa hob hof hoh hoi hoo hor hot hox hr- hra hrb hrf hrh hri hro hrr hrt hta htb htf hth hti hto htr htt htx i-f ia- iaa iab iaf iah iai iao iar iat iba ibb ibf ibh ibi ibo ibr ibt ibx ifa ifb iff ifi ifo ifr ift ifx iha ihb ihf ihh ihi iho ihr iht iia iib iif iih iii iio iir iit iix io- ioa iob iof ioh ioi ioo ior iot ir- ira irb irf iri iro irr irt irx ita itb itf ith iti ito itt itx ixi o-i oaa oab oaf oah oai oao oar oat oax ob- oba obb obf obh obi obo obr obt obx of- ofa ofb off ofi ofo ofr oft ofx oha ohf ohh ohi oho ohr oht oia oib oif oii oio oir oit oo- ooa oob oof ooh ooi ooo oor oot oox or- ora orb orf orh ori oro orr ort orx ot- ota otb otf oth oti oto otr ott ox- oxa oxb oxf oxi oxo oxt oxx ra- raa rab raf rah rai rao rar rat rax rba rbb rbf rbh rbi rbo rbr rbt rbx rfa rfb rff rfh rfi rfo rfr rft rh- rha rhb rhf rhh rhi rho rhr rht ria rib rif rih rii rio rir rit rix roa rob rof roh roi roo ror rot rox rra rrb rrf rrh rri rrr rrt rta rtb rtf rti rto rtr rtt rtx rxr t-x taa tab taf tah tai tao tar tat tax tba tbb tbf tbh tbi tbo tbr tbt tfa tfb tff tfh tfi tfo tfr tft tfx th- tha thb thf thh thi tho thr tht thx tia tib tif tih tii tio tir tit tix to- toa tob tof toh toi too tor tot tox tra trb trf trh tri tro trr trt trx tta ttb ttf tth tti tto ttr ttt ttx txf txi txt xaa xaf xar xat xbr xbx xfa xfh xft xfx xht xia xii xio xit xix xoa xof xoi xoo xor xot xox xrf xrt xrx xtf xti xtr xtx xxi xxo xxx

a-ha a-ii aaaa aaab aaaf aaah aaai aaar aaba aabb aabh aabi aabt aafa aafb aaff aafi aaha aaib aaii aaoo aara aari aaro aart aata aatf aatt abaa abab abaf abai abar abat abax abb- abba abbb abbi abbo abbr abbt abff abha abhi abho abhr abia abib abir abit aboa abob abof aboh aboo abor abot abox abra abri abro abta afaa afao afar afat affa affi affo afft afia afib afif afir afit afix afoa afoo afor afox afr- afra afri afro afta ahab ahah ahai ahar ahat ahfa ahha ahio ahir ahit ahoa ahor ahot ahra ahrr ahta ahti ahto aiai aiba aibo aiff aiha aiho aiia aiib aiir aioi aira airh airi airo airt airx aita aitf aith aiti aitr aitt aixa aixi aoah aoba aora aorb aort aotf arab araf arah arai arar arat arax arba arbh arbi arfa arfb arff arft arh- aria arib arif arii ario arit aroa arob aroi aroo aror arr- arra arrh arri arro arrr arrt arta arth arti arto artr artx at-t at-x ataa atab atai atar atat atax atfb atha athi atho atia atif atit atob atof atoi ator atot atra atri atro atrx atta atti atto attr axaf axar axat axfr axi- axia axo- axoa axof axto axxo ba-i ba-x baaa baaf baah baar baat baba babb babi babo babr baff bafo baft baha bahi baho bahr baht baia baib baio bair bait baix baoh bar- bara barb barf barh bari baro barr bart barx bata batf bath bati bato batt baxi baxt bbbb bbox bfta bftt bhai bhao bhar bhat bhff bhir bhit bhoi bhor bhot bhra bhrt biaf biao biar biat biba bibb bibi bibo bifa biff bifi biha bihi bio- bioi biot biox bira birb biri biro birr birt birx bita bith bito bitt bitx bixa bixi boab boai boar boat boba bobb bobi bobo bofa boff bofh boha boho bohr boht boi- boii boit boob boof booh boor boot boox bor- bora borf borh bori boro borr bort bota botb both boti boto bott boxa brab braf brah brai brao brat brax bria brih brio brit brix broa brob broh broo bror