ria rib ric rie rih rii rik ril rir rit rkb rkc rke rkk rkt rku rla rlc rle rlh rli rll rlr rlt rlu rra rrb rrc rrh rri rrk rrl rrr rrt rru rta rtb rtc rte rti rtk rtl rtr rtt rtu rua rub ruc rue ruh rui ruk rur rut ruu taa tab tac tae tah tai tak tal tar tat tau tba tbb tbc tbe tbh tbi tbk tbl tbr tbt tbu tca tcb tcc tce tch tci tck tcl tcr tct tcu te- tea teb tec tee teh tei tek tel ter tet teu th- tha thb thc the thh thi thk thl thr tht thu tia tib tic tie tih tii tik til tir tit tiu tka tkb tkc tke tkk tkl tkr tkt tla tlc tle tlh tli tlk tll tlr tlt tlu tra trb trc tre trh tri trk trl trr trt tru tta ttb ttc tte tth tti ttk ttl ttr ttt ttu tua tub tuc tue tuh tui tuk tul tur tut tuu ua- uaa uab uac uae uah uai uak ual uar uat uau uba ubb ubc ube ubh ubi ubk ubl ubr ubt ubu uca ucb ucc uce uch uci uck ucl ucr uct ucu uea ueb uec uee ueh uei uel uer uet uha uhb uhc uhe uhh uhi uhl uhr uht uhu uia uib uic uie uii uil uir uit uiu uka ukb ukc uke uki ukk ukl ukr uku ula ulb ulc ule uli ulk ull ulr ult ulu ur- ura urb urc ure uri urk url urr urt uru uta utb utc ute uth uti utk utl utr utt utu uua uuc uue uur uut uuu