-al -er -ol -th a-a a-b a-t aaa aab aae aah aak aal aao aar aat ab- aba abb abe abh abk abl abo abr abt aea aeb aee aeh aek ael aeo aer aet aha ahb ahe ahh ahk ahl aho ahr aht aka akb ake akh akk akl ako akr al- ala alb ale alh alk all alo alr alt aoa aob aoe aoh aok aol aoo aor aot ar- ara arb are arh ark arl aro arr art at- ata atb ate ath atl ato atr att baa bab bae bah bak bal bao bar bat bba bbb bbe bbh bbk bbl bbo bbr bbt be- bea beb bee beh bek bel beo ber bet bha bhb bhe bhh bhk bhl bho bhr bht bka bkb bke bkk bkl bko bkr bkt bla blb ble blh blk bll blo blr blt boa bob boe boh bok bol boo bor bot bra brb bre brh brk brl bro brr brt bta btb bte bth btk btl bto btr btt eaa eab eae eah eak eal eao ear eat eba ebb ebe ebh ebk ebl ebo ebr ebt eea eeb eee eek eel eeo eer eet eha ehb ehe ehh ehl eho ehr eht eka ekb eke ekh ekl eko ekr ekt ela elb ele elh elk ell elo elr elt eo- eoa eob eoe eoh eok eol eoo eor eot era erb ere erh erk erl ero err ert eta etb ete eth etk etl eto etr ett haa hab hae hah hak hal hao har hat hba hbb hbe hbh hbk hbl hbo hbr hbt he- hea heb hee heh hek hel heo her het hha hhb hhe hhh hhk hhl hho hhr hht hka hkb hkh hkk hkl hko hkr hkt hla hlb hle hlh hll hlo hlr hlt hoa hob hoe hoh hok hol hoo hor hot hr- hra hrb hre hrh hrk hrl hro hrr hrt hta htb hte hth htk htl hto htr htt k-t ka- kaa kab kae kah kak kal kao kar kat kba kbb kbe kbh kbk kbl kbo kbr ke- kea keb kee keh kek kel keo ker ket kha khe khh khk kho khr kkb kke kkh kkk kkl kkr kkt kl- kla klb klh klo klr klt koa kob koe koh kok kol koo kor kot kra krk krl kro krr krt kta ktb kte kth ktk ktl kto ktr ktt la- laa lab lae lah lak lal lao lar lat lba lbb lbe lbh lbk lbl lbo lbr lbt lea leb lee leh lek lel leo ler let lha lhb lhh lhk lho lhr lht lka lkb lkh lkl lkr lkt lla llb lle llk lll llo llr llt loa lob loe loh lok lol loo lor lot lra lrb lrh lrk lro lrr lrt lta ltb lte lth ltk ltl lto ltr ltt oaa oab oae oah oak oal oao oar oat ob- oba obb obe obh obk obl obo obr obt oea oeb oee oeh oel oeo oer oet oha ohe ohh ohl oho ohr oht oka okb oke okk okl oko okr ola olb ole olk oll olo olt oo- ooa oob ooh ook ool ooo oor oot or- ora orb ore orh ork orl oro orr ort ot- ota otb ote oth otk otl oto otr ott ra- raa rab rae rah rak ral rao rar rat rba rbb rbe rbh rbk rbl rbo rbr rbt re- rea reb ree reh rek rel reo rer ret rh- rha rhb rhe rhh rhl rho rhr rht rkb rke rkk rko rkt rla rle rlh rll rlo rlr rlt roa rob roe roh rok rol roo ror rot rra rrb rrh rrk rrl rrr rrt rta rtb rte rtk rtl rto rtr rtt taa tab tae tah tak tal tao tar tat tba tbb tbe tbh tbk tbl tbo tbr tbt te- tea teb tee teh tek tel teo ter tet th- tha thb the thh thk thl tho thr tht tka tkb tke tkk tkl tko tkr tkt tla tle tlh tlk tll tlo tlr tlt to- toa tob toe toh tok tol too tor tot tra trb tre trh trk trl tro trr trt tta ttb tte tth ttk ttl tto ttr ttt